About this 3D model

I use a Lerdge board on this and wanted to have dual Z axis endstops to keep my bed level. You will need: 2 brackets 4 x M2*12mm socket cap or button cap screws 4 x M2 nuts 4 x M4*10mm button cap screws 4 x M4 Tnuts 2 mechanical switches found here: https://www.amazon.com/gp/product/B07MW2RPJY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1