Underhill Vertical Casting System Accessories – 18 & 36 Systems (7/8”)

Keep your Underhill Vertical Casting System running smoothly with these replacement and expansion accessories designed for the 18-blank and 36-blank 7/8” systems. Perfect for maintaining your setup or expanding into new casting styles, these components make tube-in, clear, and embedded resin casts easy and reliable.

These accessories are ideal for label casts, playing card casts, steampunk designs, 3D resin prints, color casting and color casting with embeds (Pinecones, coffee, sweetgum balls etc). Whether you’re replacing worn components or building a dedicated setup for specialty projects, these parts are built for repeated use and consistent results.

Features

• Designed for Underhill Vertical Casting Systems

• Compatible with 18 & 36 blank systems (7/8”)

• Ideal for tube-in, clear, and 3D resin print casting

• Excellent for embedded objects and specialty designs

Component Details

• Delrin Plugs & Bottoms

  • Reusable non-stick Delrin construction

  • Easy to install and remove

  • Durable and long-lasting for repeated casting

   

• High-Temperature Silicone Plugs

  • Made from high-temp silicone

  • Will not crumble or shed

  • Designed for repeated use

   

• Clear Casting Tubes

  • Transparent design lets you see the casting process in real time

  • Easily identify and correct bubbles or voids before resin sets

  • Ideal for clear casts, color casts, 3D prints, and embedded objects and easly turn off.

  • Tubes can be cut to size with a sissors, use only what you need.

Ideal For

• Tube-in pen blank casting

• Clear resin and color casting

• Embedded object and 3D resin print casts

• Label, playing card, and steampunk-style blanks

Why You’ll Love These Accessories

These replacement components give you better control, visibility, and reliability during casting—helping reduce wasted resin, failed casts, and setup downtime while expanding the creative possibilities of your Underhill system.