Using DESIGN MAGIC and it’s METASHAPE addon, I was able to create models like this in 20 minutes. This tutorial walks you through an optimized workflow with absolute minimum booleans (only the last brass holes) to create these highly sophisticated models. Links below to the products used in this video.
DISCORD
PATREON
KIT OPS 2 PRO
DESIGN MAGIC
KIT OPS 2 FREE
SYNTH
KIT OPS BATCH
K-Cycles