LEGO Mech MOCs
Free LEGO mech instructions: walking mechs and battle suits designed as fan MOCs from standard LEGO pieces, with 3D steps and full parts lists.

Building guideDesert Scuttler Spider Mech115 pieces · 10 steps

Building guideVanguard Knight Mech186 pieces · 19 steps

Building guideIron Strider Walking Mech108 pieces · 13 steps
Questions
Can I ask for a mech?
Yes. Describe it (legs or tracks, weapons, colours) in "Ask for any build" and it is designed for you in a few minutes.