Astronaut Helmet LED Neon Sign 34x35cm - Space Sci-Fi Gamer Wall Decor (Full & Modular Split STL)

Blast off into a modern sci-fi atmosphere with this iconic Astronaut Helmet LED Neon Sign!

Engineered specifically for 3D printing and DIY LED neon making, this sign features a well-balanced display size of 340 x 350 mm (34 x 35 cm). The design captures the classic retro-futuristic spacewalk helmet—featuring the curved outer shell, side ear communicators, lower collar ring segments, and the distinctive curved visor reflections. All channels are designed with smooth radiused bends to ensure standard 6x12 mm silicone neon flex routes smoothly without sharp kinks.

Key Features:

Dimensions: 340 mm Width x 350 mm Height (~13.4 x 13.8 inches).

Modern Sci-Fi Aesthetic: Distinctive outer dome, multi-layer neck rings, side ear modules, and visor glare highlights.

Modular Dovetail Assembly: Includes pre-split modular files engineered with precision dovetail interlocking joints (0.2 mm clearance, 0.4 mm lead-in chamfers) to print easily on standard 220x220 mm beds without visible seams.

Concealed Cable Routing: Integrated 3.5 mm rear wire pass-through holes behind the visor and ear modules keep all jumper wires and soldering completely hidden behind the backing frame.

Integrated Wall Mount: Built-in flush top keyhole hanger bracket at the balance center for level, balanced wall hanging.

Friction-Fit Channels: 6.2 mm channel width engineered to hold standard 6x12 mm DC 12V silicone neon flex strips firmly without messy glue.

Files Included:

Astronaut_Helmet_Full_340x350mm.stl (Full one-piece housing for large-format 3D printers)

Astronaut_Helmet_Split_Parts.zip (Modular sections with dovetail joints for standard 220x220 mm print beds)

Note: This is a digital STL file for 3D printing. Silicone LED neon flex strips, wiring, and 12V power supply are sold separately.