carpenters scribe tool 3d models

So, you could put other tools there to clamp from below, for example. Or, you could use two Tribases, but if you put too much stuff on a manifold connector it can get top heavy. You could use the small box style holder to hold a counterweight if...

I also use one with a 3mm inner diameter as opposed to the 2.5 stock one. Parts from Prusa MMU2S/MMU3 Kit (you should  already have these but can more too)10x Spool ball bearingsParts from Amazon  $25 (52)25 feet of 4 outer/3 inner mm diameter PTFE...