MMU3 UltiMulti Selector Remix: Front Plate for PC4-M5 Coupler

I remixed two parts of the selector for MMU3 UltiMulti by David ( @David_84304 ). SELECTOR_FRONT_PLATE_B5_PC4M5.stl The original design required a heat insert, which had to be purchased separately. To eliminate this requirement, I modified the part by adding modeled threads to the hole, allowing the PC4-M5 coupling to be installed without an M5 threaded insert. selector_b19_experimental_CUT.stl While printing this file, the clamp for the SuperFINDA sensor frequently detached from the build plate, causing print failures. To improve bed adhesion, I added four mini brims to the initial layer.