Library
Versions of Generic drilling derrick, 120 ft
Published versions never change. A new license, new data or new geometry is always a new version; people who used an older one keep it.
| Drawing | Version | Change | License | Status | Published |
|---|---|---|---|---|---|
| Version 2 | GeometryAdded the tapered four-leg lattice mast in 8 bays, crown block with sheaves, racking platform with fingers and rail, caged ladder and base frame (plan and 3D). | CC0 | Published | Nov 3, 2026 | |
| Version 1 | GeometryFirst version. | CC0 | Published | Nov 3, 2026 |