I have been using Blender to create a C-130 to 3D print for RC flight. Its been a challenge, but it seems no one has ever attempted to print a scale RC plane. Someone needs to try. I’m going to give it my best shot. My wife is even approving of my latest “crazy” idea. If this works I can simply reprint badly damaged sections.
I started with a .obj file of a C-130 from Turbosquid.com. I have been modifying the mesh from that file to fit inside a hobby class 3D printer with supports and places to glue in carbon fiber shafts for strength. I have the units in metric with the scale set at 1.00. I resized the plane to 1/24 scale which results in a wingspan of 1.69 meters. Using the ruler function verifies the size. A CAD program that is more engineering based might seem like a better idea than Blender, but I couldn’t find one that works well with mesh files and is also free. Free is good!
The main problem I am having is working with very small verticies, edges and faces. I took the exterior mesh from the file and applied a Solidify modifier of .8mm with a negative offset. This gives the skin a thickness that is 2X the width of the extruder nozzle. When I scroll into a section I want to modify, the view will typically scroll past or through the section I want to work with. Basically I can’t zoom in close enough to select an edge or face that is only .8mm wide. I can see the various edges and Blender doesn’t seem to have a problem with such small sections, but the cursor to too big to select these small sections. I mainly have this problem when working on the interior of the plane.
Thanks for your help.