Question: xyzmaker how to make a hole?
Answer: Go to the Geometric figures library and create a paraboloid. ... 
Make a Capsule from the Geometric figures library, and rotate it 90° along the X-axis. ... 
Create a Cylinder and rotate it 90° along the X-axis. ... 
Select the engine and click on Hole, then click on the cutting part and click Hole again to cut a hole in the engine.