Bottom_Base_SM with slots for mounting (ports up or down)

Remix of "Bottom_Hex_With_Mount.stl" from "Raspberry Pi 4 Case With Mount" by "azurecomet" on Thingiverse (thing id: 3837799).

Intended to be used as an replacement of "Bottom_Base_SM.stl" from "Malolo's screw-less / snap fit customizable Raspberry Pi 4 Case & Stands".

max diameter of screw: 4,5mm
max diameter of screw head: 9mm

without mount guide - holes are 40mm apart from each other