Working on STL and cutout for acrylics

Having a more precise drill hole placement by directly extruding the
sheets from the SVGs

Joining large screw groups

Adding some more screw holes

Cutting some holes for the hands and fixing some design issues
with the plug for the tube.

* Added neoprene gloves
* Added rubber material asset
* Drew initial fixture for fixing the air duct tube

Adding assets

* Fixing positioning of fans
* Adding grated metal
* Adding the air duct