Resin Cube Mold — Beveled Crystal Cube for Resin Lamps (Small, Large, or LED Lamp Holder)

Resin Cube Mold — Beveled Crystal Cube for Resin Lamps

A beveled silicone cube mold for casting large crystal-effect resin cubes — designed to be used as a decorative lamp by placing a finished cube over an LED light base. Available in two sizes, or add the matching wooden LED lamp holder. Select your option from the dropdown.

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Options

Small Cube Mold — $14.78

Outer dimensions: 85mm × 85mm × 85mm (3.35in cube)
Inner base: 68mm × 68mm (2.68in) — tapered/beveled sides create the crystal facet effect
Depth: 70mm (2.76in)
Suits a standard round LED lamp base (approx. 80mm diameter)

Large Cube Mold — $18.64

Outer dimensions: 104mm × 104mm × 90mm (4.09 × 4.09 × 3.54in)
Tapered/beveled sides create the same crystal facet effect at a larger scale
Suits a standard round LED lamp base (approx. 80–100mm diameter)

LED Lamp Holder — $13.34

A round wooden LED light base designed to sit under a finished resin cube to illuminate it from below. The resin cube diffuses the light through its body, creating a glowing crystal lamp effect.

Base material: natural wood, circular
Light source: built-in LED array
Power: USB-powered with white USB cable included
Switch: inline on/off switch on the USB cable
Note: resin cube mold sold separately — this listing is for the lamp base only

Details (Molds)

Material: food-grade silicone — flexible, non-stick, easy to demold
Resin compatibility: epoxy resin (recommended) and UV resin
Finish: high-gloss inner surface for a crystal-clear, polished cast
Reusable: yes — clean after each use and store away from direct sunlight

How to Use

Mix your epoxy resin according to the manufacturer’s instructions. For a crystal-clear result, use a slow-cure clear epoxy resin and mix carefully to minimise bubbles.
Add pigment, mica powder, glitter, dried flowers, or other inclusions as desired. Galaxy effects (dark base with silver/holographic glitter) are particularly striking when lit from below.
Pour slowly into the mold. Remove bubbles with a heat gun or torch and cover to cure on a level surface — typically 24–48 hours for epoxy resin.
Demold by gently flexing the silicone mold. Sand the base flat if needed for stable placement on the lamp holder.
Place the finished cube over the LED lamp holder and switch on to see the illuminated effect.

Design Ideas

Galaxy lamp: dark navy or black base resin with holographic glitter and silver mica — stunning when backlit
Ocean cube: layered blues and greens with white pigment waves and fine sand or shell inclusions
Floral lamp: crystal-clear resin with dried flowers suspended inside — delicate and elegant when lit
Geode effect: layer translucent colors with crushed glass or chunky glitter for a mineral crystal look

Frequently Asked Questions

Do I need the lamp holder for the mold to be useful?
No — the finished resin cube is a decorative piece on its own. The lamp holder is optional and adds the illuminated lamp effect. The cube can also be used as a paperweight, display ornament, or gift.

Can I use UV resin in these molds?
The molds are compatible with UV resin, but the cube is large and deep — UV lamps may not cure the full depth in one pour. Epoxy resin is recommended for a full, even cure. UV resin can be used for thin decorative top layers after the epoxy base has cured.

What size lamp holder fits the small mold?
The small cube (85mm base) fits a standard round LED lamp base of approximately 80mm diameter. The lamp holder sold on this listing is designed to work with both sizes.