3030 endcap

tried printing a few different end caps for my 3030 profile b type- they were always too tight/slack etc- so instead of getting the end cap to fit perfectly inside the profile i just used a m3 screw to open the plastic inside the aluminum like a rawlplug- works a treat &easy & quick to print-
there's a 1x6mm recess for my button head screws on the corner. stl- the no hole.stl is flat on the top