http://bit.ly/1D2H4Gc ( iOS Mac apps) “3D Molecules Edit & Test” allows one to build and manipulate 3D molecular models of organic and inorganic compounds. The key features of “3D Molecules Edit & Test” are 3D printing support and the "Test yourself" mode that allows learners to check their knowledge of the 3D structure of molecules. This is a valuable tool for chemistry students when learning about molecular bonding and orbitals with the aid of 3D visualisation. The app is great for any high school or college student in chemistry courses. Are you looking for apps that allow students to construct molecules with 3D visualization? “3D Molecules Edit & Test” is a very effective app for this purpose as it allows organic and inorganic molecular structures to be built with single, double and triple bonds, as well as cyclic compounds. The molecules can be visualised in 3D using stick, ball and stick and space-filling (CPK) models. Important information about the molecule can be displayed. For example, it is possible to visualise the atomic orbitals, see electronic effects using arrows and identify bond lengths and element symbols. 3D printing offers a unique and straightforward approach to fabricate plastic 3D models of molecules and extended solids. "3D Molecules Edit & Test" has option to directly export the model as an STL file (most 3D printers recognize this format). In building these molecules, guidance is initially needed to show how to use the software. There is a help button that provides clear and concise screen shots demonstrating how to use the app.

1. Tutorial: How to work with
“3D Molecules Edit & Test”

2. Interface
New
model
Remove
selected
element
Undo
Redo

3. Visualization
-(Cpk) spacefill
Interface

4. Visualization
-Ball and stick
Interface

5. Visualization
-Stick style
Interface

6. Visualization
-Wireframe style
Interface

7. Atomic
orbitals
Interface

8. Overlap of
atomic orbitals
Interface

9. Electronic
effect
Interface

10. Atomic
symbols
Interface

11. Bond
length
Interface

12. Scrolling
Chemical
elements
Rings
Active
element
Save the
model for
3d printing
Interface
Open the
model
Save or
send the
model
Elements
sorting
Background
color

13. Tap on the
button to create
a model
How to create molecule

14. 2. Tap on a free
space to add an
atom
1. Choose the
element from
the collection
How to create molecule

15. 3. Tap on the selected
atom to add a new one
to it
2. Choose the next
element for
addition
1. Tap on the
atom to select it
How to create molecule

16. Result of addition
How to create molecule

17. Select the bond
to change it
How to create molecule

18. 2. Select required bond
type from the menu
1. Tap on the selected
bond to choose required
type
How to create molecule

19. 1. Tap on the button
to delete an element
3. Tap on the
selected element to
delete
2. Tap on the
element for
selection
How to delete an element

20. Tap on the button to
create a model in
the test yourself
mode
How to create molecule

21. Choose the item and
compound from it
How to create molecule

22. Tap on the button to
check the correctness of
the modelCompiled
molecule
How to create molecule

23. How to create molecule

24. Export molecules for 3D Printing (STL file format)
3D Print

25. Try “3D Molecules Edit & Test” right now!
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http://bit.ly/1D2H4Gc