“A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required. Image text highlights this material is ideal as cnc practice material”

Epoxy Tooling Block - 35x35x100mm | CNC Machining Stock for Prototyping

35x35x100mm
$29.00
$29.00
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“A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required. Image text highlights this material is ideal as cnc practice material”
  • “A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required. Image text highlights this material is ideal as cnc practice material”
  • “A machinable epoxy block positioned on a bench surface. Its flat surfaces and sharp corners demonstrate its use for CNC milling, jig fabrication, high-precision carving, and small part prototyping.”
  • White CNC-carved bust mounted in a rotary fixture on a dark machine bed, with large text reading “Fabrication Services Available.” Promotes Aetherium Innovations custom fabrication, CNC machining, prototyping, and maker service work for parts, fixtures, and specialty projects.
  • Aetherium Innovations workshop bench with a Carvera Air CNC machine, Bambu Lab 3D printer, filament dryer, hand tools, and pegboard, with text reading “Need a quote? Message me for current lead times.” Promotes custom fabrication, 3D printing, CNC, and project quote services.
  • “three epoxy blocks stacked to show their square, smooth surfaces. The dense composite material behaves like fine hardwood for carving practice but provides the stability needed for CNC machining, modeling, and mold tooling.”
  • “A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required.”
  • “A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required. Image text highlights this material is ideal as cnc practice material”
  • “A machinable epoxy block positioned on a bench surface. Its flat surfaces and sharp corners demonstrate its use for CNC milling, jig fabrication, high-precision carving, and small part prototyping.”
  • White CNC-carved bust mounted in a rotary fixture on a dark machine bed, with large text reading “Fabrication Services Available.” Promotes Aetherium Innovations custom fabrication, CNC machining, prototyping, and maker service work for parts, fixtures, and specialty projects.
  • Aetherium Innovations workshop bench with a Carvera Air CNC machine, Bambu Lab 3D printer, filament dryer, hand tools, and pegboard, with text reading “Need a quote? Message me for current lead times.” Promotes custom fabrication, 3D printing, CNC, and project quote services.
  • “three epoxy blocks stacked to show their square, smooth surfaces. The dense composite material behaves like fine hardwood for carving practice but provides the stability needed for CNC machining, modeling, and mold tooling.”
  • “A compact epoxy machining block with sharp edges and a consistent matte finish. The block is designed for CNC toolpath testing, precision carving, fixture construction, and prototype modeling where dimensional stability is required.”
Epoxy Tooling Block - 35x35x100mm | CNC Machining Stock for Prototyping

Epoxy Tooling Block - 35x35x100mm | CNC Machining Stock for Prototyping

$29.00
$29.00
Shipping calculated at checkout.
Billet size

In stock: 1-3 business days

Epoxy tooling board sits in the space between wax and aluminum — dense enough to machine like metal, forgiving enough to shape like a polymer.
Stable under heat, low in porosity, and easy to finish, it’s become a standard across small-batch manufacturing and advanced prototyping.

Formed from high-density epoxy resin, each block is uniform in structure and consistent in behavior. It cuts predictably, holds detail, and resists chipping under both roughing and finishing passes.

For makers and engineers, it’s a bridge material — perfect for testing toolpaths, validating part geometry, or building fixturing before committing to more expensive materials such as aluminum or carbon fiber.

Ships from the PNW, USA

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower costs and learning barriers in the skilled art trades.

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

Complete the system

Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
Ask a compatibility question