What file formats are included?

Files may include STL, GLB, OBJ, 3MF, or FBX formats depending on the model. The exact formats are listed in the model details section.

What is HiddenMark™?

HiddenMark™ is a unique steganographic watermark embedded directly into the mesh geometry of each purchased file. Every buyer receives a uniquely marked copy, enabling instant authorship proof and piracy tracing in seconds.

How do I download after purchase?

After completing payment, a secure one-time download link is generated and shown on the confirmation page. You can also access all your purchases anytime from your account dashboard.

Skull Demon Mask STL

Name: Skull Demon Mask STL
Brand: Proofly
SKU: 78
Price: 7.00 EUR
Availability: InStock
Rating: 5.0 (1 reviews)
Author: admine

Support & Refunds

If you experience issues with this model, contact the creator directly for support. Refunds are available within 7 days of purchase if the file is defective or not as described.

One-time purchase·

HiddenMark Protected

Protected by HiddenMark — if this file is shared illegally, the source is traceable.Open in 3D Viewer

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File Information

3D Model TypeSTL

UploadedJun 1, 2026