I 3D Printed a LIFE SIZE Haunted Mansion Door for Neil Patrick Harris - PART 3
by VanOaksProps
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What this video covers
Part 3 of VanOaksProps' ambitious life-size Haunted Mansion door build explores the use of Polymaker's CosPLA filament, a specially formulated PLA designed to be easier to sand and finish than standard PLA. The creator shares hands-on impressions of the sponsored filament, highlighting its printability, durability, and sanding characteristics — qualities that are critical for achieving smooth, display-ready surfaces on a large-scale prop. This short update focuses specifically on material choice and surface prep rather than the full build process.
Key takeaways
- ◆Polymaker CosPLA is engineered to sand more easily than standard PLA, making it well-suited for large display props
- ◆Ease of sanding is flagged as a key requirement for achieving a polished finish on a life-size door prop
- ◆The filament is described as durable and reliable to print with, not just easy to finish
- ◆This is a sponsored segment, though the creator states opinions are their own
- ◆Episode is part of a multi-part series building a Haunted Mansion door
Who this is for
3D printing prop builders and Halloween enthusiasts who want to know which filament works best for large, smooth-finish Halloween props.
Tools mentioned
- • 3D printer
- • sandpaper
Materials mentioned
- • Polymaker CosPLA filament
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