Aluminum Extrusion Endcap Customizer

thingiverse

This is based on the "end cap for 3030 extrusion" thing from jag. I was unable to make his work correctly, I believe it did not account for the thickness of the aluminum for the slot which made it not fit, no matter how much "undersize" I used in its OpenSCAD file. What changed: * I reorganized the .scad file to make it easier to follow for me * I changed undersize - instead of the overall undersize of a particular length/width, undersize is now the "margin / gap / clearance" around the inserts of the model. For example 0.2mm is the amount the width is reduced on each side of the insert, not the reduction in total. For 3030 use 0.2mm and for 2020 use 0.1mm for a good fit. * I added explanations and created a customizer so you could edit yourself on Thingiverse The default values for the customizer are based on Misumi HFS6-3030 extrusion (found at https://us.misumi-ec.com/vona2/detail/110302686450/). I uploaded the Misumi dimensions diagram and highlighted all the dimensions that need to be input as an example. FYI, the T-Slot shape is created in 3 pieces - the outer slot, the square part of the channel, if any, and the trapezoid part of the channel. You can customize the shape by playing with these dimensions. Below is an example of the 3 shapes that make up the T-Slot insert:  Some extrusions do not have a square part of the channel. For example, the Misumi HFS5-2020 extrusion only has a trapezoid shape to its channel. So by setting the cube/square portion height to *0*, you will not get a square section, just the trapezoid shape.