LogInMirroring alone took the creator two weeks to finalize.
After several months of hard work and multiple captivating WIP demos, Reddit user bibamann has completed their complex and highly detailed 3D robotic legs rig, showcasing the final setup and sharing some details about its creation.
According to the artist, the rig was built in Blender, and just the mirroring process took them two weeks to finalize, as during the process, they accidentally applied a 0.5° rotation offset in the original leg, which led to fixing small offsets, reparenting, rehooking, and occasionally remeshing everything before being able to proceed with mirroring.
The creator also spent an additional five hours renaming all objects – which includes 4 armatures, 10 curves, 43 empties, and 120 meshes per leg – and organizing them into cleaner collections. "At some point I saw I needed to namespace them a bit to better see if it's armature, bone, empty, or curve I need to parent/use for drivers or constraints, so I added prefixes (A = Armature, C = Curve, and so on," bibamann explained. "And the rest of the time was thinking of names like 'C-Knee-Spiral-Pull-Inner.L'"
"I vertex-parented an empty on the mesh end. Then created another empty at the middle of the spindle, which copies the x-Location and then tracks the vertex-parented one. So I could use its position and rotation for moving the spline in x direction that the rope-holder rotates correctly and moves in and out so that it looks like it's really rolling it up instead of the rope is just pushed along the spline," the artist said about creating the ropes, the rig's most challenging part. "The 'zebra' rope was a bit easier. The bending around the knee by IK bones where I hooked the curve on."
Check out some of the earlier demos shared by bibamann:
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