Vellum 201 – Ep. 02: Mastering Substeps, Constraint-, Smoothing- & Collision-Iterations by Christopher Kopic 14.05.2026 comment 0 Premium Course, Vellum 201 constraints, Houdini, iteration, pbd, Premium Content, problem solving, simulation, troubleshooting, Tutorial, Vellum, xpbd To view this content, you must be a member of Entagma's Patreon at $29 or more Unlock with Patreon Already a qualifying Patreon member? Refresh to access this content.