This document provides information about scanning an ornamental bowl for 3D printing. Swiss Metrology offers 3D scanning and measurement services for forensics, reverse engineering, and quality control. Their website is www.swissmetrology.com.
Swiss Metrology provides 3D scanning and measurement services for reverse engineering, quality control, and forensics applications. Their services include reverse engineering of worm gears through 3D scanning. They can be found online at www.swissmetrology.com.
3D Magic provides 3D modeling, design, engineering, and metrology services. They offer product design and development support from concept to production. Key services include 3D scanning, CAD modeling, rendering, prototyping, analysis, and inspection. They serve industries such as automotive, aerospace, consumer products, medical, and more. The company was founded in Pune, India and has expertise in reverse engineering, surfacing, prototyping, and metrology.
Point cloud data consists of a set of data points in 3D space that represent the surface of an object or scene. Surface model data takes point cloud data and fits geometric surfaces like triangles to create a 3D mesh representation. Together, point cloud and surface model data are important formats for 3D scanning and modeling applications.
Swiss Metrology provides 3D scanning and measurement services for reverse engineering, quality control, and forensics applications. Their services include reverse engineering of worm gears through 3D scanning. They can be found online at www.swissmetrology.com.
3D Magic provides 3D modeling, design, engineering, and metrology services. They offer product design and development support from concept to production. Key services include 3D scanning, CAD modeling, rendering, prototyping, analysis, and inspection. They serve industries such as automotive, aerospace, consumer products, medical, and more. The company was founded in Pune, India and has expertise in reverse engineering, surfacing, prototyping, and metrology.
Point cloud data consists of a set of data points in 3D space that represent the surface of an object or scene. Surface model data takes point cloud data and fits geometric surfaces like triangles to create a 3D mesh representation. Together, point cloud and surface model data are important formats for 3D scanning and modeling applications.
Build Your Own 3D Scanner: Surface ReconstructionDouglas Lanman
Build Your Own 3D Scanner:
Surface Reconstruction
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
The document discusses the author's attempts at building a DIY 3D scanner using a laser and camera. The author wants to combine a 3D scanner with a 3D printer to create physical replicas of objects, and sees potential for remixing physical objects similar to how digital media like video and music are remixed. The author details their first two attempts which used math and a Canon camera modified with CHDK software, and their third attempt which used a laser cut design created in LibreCad and built in OpenSCAD. The author concludes that building a 3D scanner this way is easy, though their process was more complicated than necessary, and that the technology has future potential and is fun to work on.
Build Your Own 3D Scanner: 3D Scanning with Structured LightingDouglas Lanman
Build Your Own 3D Scanner:
3D Scanning with Structured Lighting
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
Build Your Own 3D Scanner:
Introduction
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
The document provides advice for building a connected consumer product and quitting one's day job to do so. It discusses considerations around product design, pricing, marketing, electronics design, connectivity, backend design, user experience, and seeking investment. The key points are designing a desirable consumer product, ensuring solid connectivity and backend functionality, creating a good user experience, and only quitting one's job once the product is ready to ship after securing funding.
Reducing error when reverse engineering mechanical partsWilliam Plutnick
Reverse engineering precision parts requires careful documentation and measurement to minimize errors. Key steps include cleaning parts, taking detailed photos, capturing overall dimensions and small feature sizes using hard measurement tools, laser scanning for detailed 3D data, modeling based on scan data and reference measurements, and comparing the final CAD model to the original scan to check for errors or missing details. Following a standardized process and checklist helps catch any missed steps that could lead to issues down the line.
The calibration certificate for a CMM arm provides the single point and volumetric performance test results. The single point value indicates the maximum variation that can be expected when measuring the same point repeatedly. The volumetric value compares the instrument's measurements of gauge blocks of known lengths to the actual lengths, providing a measure of accuracy. However, these values are obtained under ideal laboratory conditions and may not reflect real-world measurement performance, which can be affected by temperature variations, vibrations, imperfect workpiece geometry and mounting rigidity. The instrument only needs to perform better than the manufacturer's specification on these tests, not achieve the actual test results.
This document discusses scanning and modeling a grip extender for a Glock handgun. It mentions scanning the original part with a Swiss Metrology scanner to create a mesh. Then a CAD model was created from the scan data completed by Swiss Metrology.
Frogs have evolved over time from their earliest ancestors. This document discusses the evolution of frogs from their original point cloud data to creating a 3D printed mesh model of a frog. The process involved digitally scanning a frog to create point cloud data, then using that data to generate a 3D mesh that could be 3D printed.
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...IJECEIAES
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
Build Your Own 3D Scanner: Surface ReconstructionDouglas Lanman
Build Your Own 3D Scanner:
Surface Reconstruction
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
The document discusses the author's attempts at building a DIY 3D scanner using a laser and camera. The author wants to combine a 3D scanner with a 3D printer to create physical replicas of objects, and sees potential for remixing physical objects similar to how digital media like video and music are remixed. The author details their first two attempts which used math and a Canon camera modified with CHDK software, and their third attempt which used a laser cut design created in LibreCad and built in OpenSCAD. The author concludes that building a 3D scanner this way is easy, though their process was more complicated than necessary, and that the technology has future potential and is fun to work on.
Build Your Own 3D Scanner: 3D Scanning with Structured LightingDouglas Lanman
Build Your Own 3D Scanner:
3D Scanning with Structured Lighting
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
Build Your Own 3D Scanner:
Introduction
http://mesh.brown.edu/byo3d/
SIGGRAPH 2009 Courses
Douglas Lanman and Gabriel Taubin
This course provides a beginner with the necessary mathematics, software, and practical details to leverage projector-camera systems in their own 3D scanning projects. An example-driven approach is used throughout; each new concept is illustrated using a practical scanner implemented with off-the-shelf parts. The course concludes by detailing how these new approaches are used in rapid prototyping, entertainment, cultural heritage, and web-based applications.
The document provides advice for building a connected consumer product and quitting one's day job to do so. It discusses considerations around product design, pricing, marketing, electronics design, connectivity, backend design, user experience, and seeking investment. The key points are designing a desirable consumer product, ensuring solid connectivity and backend functionality, creating a good user experience, and only quitting one's job once the product is ready to ship after securing funding.
Reducing error when reverse engineering mechanical partsWilliam Plutnick
Reverse engineering precision parts requires careful documentation and measurement to minimize errors. Key steps include cleaning parts, taking detailed photos, capturing overall dimensions and small feature sizes using hard measurement tools, laser scanning for detailed 3D data, modeling based on scan data and reference measurements, and comparing the final CAD model to the original scan to check for errors or missing details. Following a standardized process and checklist helps catch any missed steps that could lead to issues down the line.
The calibration certificate for a CMM arm provides the single point and volumetric performance test results. The single point value indicates the maximum variation that can be expected when measuring the same point repeatedly. The volumetric value compares the instrument's measurements of gauge blocks of known lengths to the actual lengths, providing a measure of accuracy. However, these values are obtained under ideal laboratory conditions and may not reflect real-world measurement performance, which can be affected by temperature variations, vibrations, imperfect workpiece geometry and mounting rigidity. The instrument only needs to perform better than the manufacturer's specification on these tests, not achieve the actual test results.
This document discusses scanning and modeling a grip extender for a Glock handgun. It mentions scanning the original part with a Swiss Metrology scanner to create a mesh. Then a CAD model was created from the scan data completed by Swiss Metrology.
Frogs have evolved over time from their earliest ancestors. This document discusses the evolution of frogs from their original point cloud data to creating a 3D printed mesh model of a frog. The process involved digitally scanning a frog to create point cloud data, then using that data to generate a 3D mesh that could be 3D printed.
Redefining brain tumor segmentation: a cutting-edge convolutional neural netw...IJECEIAES
Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
precisely delineate tumor boundaries from magnetic resonance imaging (MRI)
scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
IoU of 98.620%, and a Boundary F1 (BF) score of 83.303%. Notably, a detailed comparative analysis with existing methods showcases the superiority of
our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
imaging, emphasizing addressing false positives and resource efficiency.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
Design and optimization of ion propulsion dronebjmsejournal
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
Introduction- e - waste – definition - sources of e-waste– hazardous substances in e-waste - effects of e-waste on environment and human health- need for e-waste management– e-waste handling rules - waste minimization techniques for managing e-waste – recycling of e-waste - disposal treatment methods of e- waste – mechanism of extraction of precious metal from leaching solution-global Scenario of E-waste – E-waste in India- case studies.
An improved modulation technique suitable for a three level flying capacitor ...IJECEIAES
This research paper introduces an innovative modulation technique for controlling a 3-level flying capacitor multilevel inverter (FCMLI), aiming to streamline the modulation process in contrast to conventional methods. The proposed
simplified modulation technique paves the way for more straightforward and
efficient control of multilevel inverters, enabling their widespread adoption and
integration into modern power electronic systems. Through the amalgamation of
sinusoidal pulse width modulation (SPWM) with a high-frequency square wave
pulse, this controlling technique attains energy equilibrium across the coupling
capacitor. The modulation scheme incorporates a simplified switching pattern
and a decreased count of voltage references, thereby simplifying the control
algorithm.
artificial intelligence and data science contents.pptxGauravCar
What is artificial intelligence? Artificial intelligence is the ability of a computer or computer-controlled robot to perform tasks that are commonly associated with the intellectual processes characteristic of humans, such as the ability to reason.
› ...
Artificial intelligence (AI) | Definitio
Applications of artificial Intelligence in Mechanical Engineering.pdfAtif Razi
Historically, mechanical engineering has relied heavily on human expertise and empirical methods to solve complex problems. With the introduction of computer-aided design (CAD) and finite element analysis (FEA), the field took its first steps towards digitization. These tools allowed engineers to simulate and analyze mechanical systems with greater accuracy and efficiency. However, the sheer volume of data generated by modern engineering systems and the increasing complexity of these systems have necessitated more advanced analytical tools, paving the way for AI.
AI offers the capability to process vast amounts of data, identify patterns, and make predictions with a level of speed and accuracy unattainable by traditional methods. This has profound implications for mechanical engineering, enabling more efficient design processes, predictive maintenance strategies, and optimized manufacturing operations. AI-driven tools can learn from historical data, adapt to new information, and continuously improve their performance, making them invaluable in tackling the multifaceted challenges of modern mechanical engineering.
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...shadow0702a
This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
Finally, the document concludes by providing a link to a reference blog. This blog offers additional information and guidance on configuring the remote Python interpreter in PyCharm, providing the reader with a well-rounded understanding of the process.
1. SCAN OF ORNAMENTAL
BOWL FOR 3D PRINTING
SWISS METROLOGY
3D Scanning/
Measurement
For Forensics,
Reverse Engineering,
Quality Control
www.swissmetrology.com