Your product will not sell if the icon is a generic gray blob. Since the mesh is anatomically explicit, IMVU requires premium thumbnails to be "Iconic" (silhouette or blurred partially unless the user is 18+ logged in).
You cannot simply drag a 3D penis model onto a T-shirt. You must use IMVU's Create Mode and understand Derivation.
Why does this demand exist at all? Because IMVU’s official “Avatar 2.0” and later “IMVU Next” systems have never fully solved the problem of anatomical modularity. To wear a penis, one must purchase a complete “derived” bottom mesh (often a nude body from a third-party creator) that replaces the entire lower half. But what if you want to wear a specific top—a leather harness, a torn t-shirt, a tactical vest—that is not compatible with that bottom? The “penis mesh for top” solves the compatibility crisis. It says: let my torso define my sex, not my legs.
Underneath the absurdity lies a genuine user need: decoupling genital expression from clothing zones. In an ideal virtual world, one could wear any top with any bottom, and a penis would be a separate, attachable layer, like socks or earrings. IMVU’s rigid two-zone system forces creators into this grotesque workaround.
Cause: Incorrect weighting; you rigged to Spine instead of Pelvis.
Fix: Re-weight the mesh. Use the Automatic Weights function but limit influences to only the Pelvis bone.
If you have made a static mesh, you can create "Derived" products (animations) that manipulate the mesh. For example, an animation that scales the Y-axis of the shaft.
Warning: Derived products using "penis mesh for IMVU top" as a base product are very popular but get flagged often. Ensure your animation name is clinical (e.g., "Idle sway adjust") not suggestive.
As of 2025, there are approximately 3,000+ penis meshes on IMVU. How do you stand out?