Paint in 3D using textured voxels, also check out VoxelPaintPro.

• Mouse locks when you click on the game window, press ESCAPE to unlock the mouse.
• Arrow Keys can be used to move the view around.
• Your state is automatically saved on exit. A backup world.db2.idle is updated every time no input is detected for over 3 minutes.
• You can customize the 17 block tileset, in your dataPath you will find a tiles.ppm image file, edit this file and save it as a PPM with a P6 272 16 255 header. Krita or KolourPaint can edit PPM files.
• You can change the mouse sensitivity by passing the new sensitivity as the 1st command line parameter [default is 0.003] ./vox 0.003.

• W,A,S,D = Move around based on relative orientation to X and Y.
• SPACE + L-SHIFT = Move up and down relative Z.
• Left Click / R-SHIFT = Place node.
• Right Click / R-CTRL = Delete node.
• Middle Scroll = Change selected color.
• Q / Middle Click = Clone texture of pointed node.
• R = Places node at your current position.
• E / F / Mouse4 = Toggle player fast speed on and off.
• 1-7 = Change move speed for selected fast state.
• X + C / Slash + Quote = Change texture of pointed node.
• T = Resets player state to start.
• G = Gravity on/off.
• P = Toggle pitch lock.
• F3 = Save. (auto saves on exit or idle for more than 3 minutes)
• F8 = Load. (will erase what you have done since the last save)
• F10 = Export the VoxelPaint data to a zip file in $HOME/EXPORTS.

• Middle Mouse Click & Drag (or Q and drag) to select area.
• V = Copies the selected nodes to the currently pointed position, the point you started the selection from is the point you will copy from at the new pointed location.
• B = Fill selected nodes with selected color.
• N = Delete selected nodes.

• Sometimes when a selection is cloned and pasted a single line of nodes on the edge of the selection will not be copied, this is easy to fix by doing a second copy or placing two nodes around the selection area using (R) to give the selection area a margin/border.