1/4" Leg Adjuster Caps

End caps to place on 1/4" carriage bolts for leg levelers. The metal shelves I'm building have 1/4" nuts welded into the square tubing at the base, these will screw into the base.

Rev - : This revision is designed to be used with Flexible filament (I used Soft PLA). It slips over the carriage bolt head with no adhesive required, it's a purely mechanical fit. You will need to scale as required to get the carriage bolt to slip over the cap. Print a couple of test pieces at a time until you get the fit that you desire. 115% worked well for the Soft PLA I was using, your mileage may vary.

Rev A: This revision is designed to be used with ABS or PLA plastic. The carriage bolt head is bonded to the concave side of the cap using cyanoacrylate glue. I've been using Loctite Super Glue Gel, but whatever you use, make sure you get a good bond to prevent the cap from breaking free of the carriage bolt. I also cleaned the carriage bolt heads with acetone before bonding to remove any oil.

For either design, rotate the cap STL rendering to place the bottom on the build plate