I build production-ready Blender tools that make rigging and UV workflows faster, safer and reversible.
CS & Game Dev Student | Aspiring Technical Artist & Blender Add-on Developer focused on rigging automation, non-destructive deformation workflows, and UV pipelines for Blender 4.2 LTS through 5.2+.
Featured project: DEF Controller Auto (CTRL_DEF v0.2.0)
Generate production-ready FK rig controllers with shared custom shapes from DEF_ bones in one click, with zero dependency cycles.
Watch the live GIF demo · Direct GIF · 1080p MP4 video · Install from Blender Extensions · Documentation
Not sure which add-on to try first? Pick your workflow:
- Rigging a character from a
DEF_skeleton? Start with DEF Controller Auto: select yourDEF_bones in Edit Mode and generate a clean FK controller chain in one click. - Wiring
MCH_/ORG_/DEF_constraints across one or two armatures? Pair it with Auto Copy Transforms DEF to preview and build the entire constraint stack non-destructively. - Preparing meshes for baking or game engines? Try Intelligent UV Mapping for curvature-driven seam planning, texel density normalization, UDIM packing, and an optional RizomUV bridge.
Every project here ships with a deterministic headless regression suite, published releases with SHA256 checksums, and CI-friendly verification scripts.
| Metric | Value |
|---|---|
| Blender Compatibility | Blender 4.2 LTS through 5.2 LTS (officially tested headless & GUI on 5.2 LTS) |
| Automated Headless Verification | 760+ checks across the suite (644 checks in 12 suites on A.C.T.D., 102 checks on CTRL_DEF, 14 smoke checks + 75 deterministic UI label geometry checks on Intelligent UV) |
| Published Releases | 11 tagged releases with SHA256 checksums (8 on A.C.T.D. up to v1.3.0, 2 on CTRL_DEF up to v0.2.0, 1 on Intelligent UV v0.35.1) |
| Official Blender Extensions | 2 approved & live (ctrl-def and auto-copy-transforms-def), 0 external runtime dependencies (100% Python stdlib + bpy) |
| Add-on | Version | Extensions | Repo | Tracker |
|---|---|---|---|---|
DEF Controller Auto (CTRL_DEF) |
v0.2.0 | Live listing | PieroFra/def-controller-auto | Issues |
Auto Copy Transforms DEF (A.C.T.D.) |
v1.3.0 | Live listing | PieroFra/auto-copy-transforms-def | Issues |
| Intelligent UV Mapping | v0.35.1 | GitHub Release | PieroFra/intelligent_uv | Issues |
Generates tracked, color-coded FK controllers with shared custom shapes from the DEF_ chain. Zero dependency cycles, deterministic naming, and a 1-click synergy with Auto Copy Transforms DEF for a complete controller + constraint pipeline.
Deterministic automation of Copy Transforms / Rotation / Location / Scale constraints between a source armature (MCH_) and destination armatures (DEF_, ORG_). Live preview, pattern learning, and a reversible JSON registry: nothing is baked in, everything can be undone. Approved on Blender Extensions and indexed on the XERJ Corpus Hub.
Automated UV unwrapping driven by curvature (VSA shape clustering), seam pinning, global texel density control, UDIM multi-tile workflows, and an optional bridge with RizomUV via Live Link, Lua scripting, or full automation.
All three projects are actively maintained with recurring verification passes:
- DEF Controller Auto (
CTRL_DEF): custom widget library presets, multi-limb batch templates, and Blender 4.2 - 5.2 LTS CI matrix. - Auto Copy Transforms DEF (
A.C.T.D.): one-click restore operator fromactd_replace_backup_*.jsonsnapshots, extended multi-armature batch rules, and automated release archive validation in CI. - Intelligent UV Mapping: headless end-to-end UV pipeline regression suite, clean-install gate verification on virgin Blender profiles, and Blender Extensions submission.
I am open to collaborations, Python/Blender tool development, technical art pipelines, and freelance work.
- GitHub Issues & Inquiries: @PieroFra on GitHub (or open an issue on the relevant repository tracker)
- Blender Extensions: CTRL_DEF (approved & live) · A.C.T.D. (approved & live) · Author profile
- XERJ Corpus Hub: hub.xerj.org/contributors/PieroFra
- Reddit: u/Previous-Nebula7736 (release posts and workflow threads on
r/blender) - ArtStation: artstation.com/pierofra