Tetra is a 3D modeling app that makes 3D works easily.

Easily create 3D shapes
By adding points or moving points, you can make a 3D shape as you wish.

Publish artwork
You can post and publish your finished artwork.

Share artwork
By exporting in STL format, OBJ format, you can use it with 3D printer or other 3D editing application.
You can save it to iCloud and share it among devices.

Main 3D editing functions
· Add, delete, move, resize points
· Flip the edge of the surfaces of 3D shape
(Repartition of the two surfaces sandwiching the edge by the other diagonal line)
· Paint color on the surface of 3D shape, erase it, pick it
· Paint color on the floor, erase it, pick it
· Show / hide, lock the floor.
· Left-right symmetry, front-back symmetry
· Guide
· Capture and save images
· Export in STL format (not applicable for iPhone 5, iPhone 5C, iPad 4th generation), OBJ format
· Undoing / Redoing
· Lock (editing prohibited)
· Show / hide line (grid / wire frame)
· Show / hide 3D shape (translucent with long press)
· Light
· Display the coordinates that you manipulated
· Add, delete, duplicate, rename, move, rotate, flip horizontally, import layers
Show / hide 3D shape, color, lock for each layer

* Viewpoint operation
· Rotate: Swipe with one finger
· Zoom: Pinch with 2 fingers, or Swipe up and down with long press
· Focus: Long press to menu selection
· Front-rear / left-right movement: Swipe with 2 fingers
· Up / down movement: Swipe with 3 fingers
· Reset: Double tap with 2 fingers

Main artwork edit function
· Create, delete, duplicate, rename artworks
· Move to, from iCloud
· Export to file

Main artwork public function
· Upload, delete artworks
· Browsing and downloading published artworks

*Tetra is using the icons8.com icon. https://icons8.com