Large Injection Mold Frame With Integral Clamping

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Aluminum frame for 3D printed injection molds.

Large size injection mold frame for 3D printed injection mold inserts. This frame has extra height and depth to take advantage of large capacity prototyping injection molding machines like the Buster Beagle 3D model MK3.


  • Can be used in vertical or horizontal configuration without external clamps.
  • Integral clamping bolts can provide up to 10,000 lbs of force to reduce mold flash.
  • Pry slots make separating the mold halves easier for large molded items.
  • Machined from 6061 aluminum.
  • Includes one set of insert bolt caps.



Model Outer Dimensions Cavity Dimensions
MF505040 4.98" x 4.98" x 3.92" (126.5mm x 126.5mm x 99.6mm) 3.75" x 3.75" x 2.96" (95.3mm x 95.3mm x 75.2mm)
MF655030 6.48" x 4.98" x 2.92" (164.6mm x 126.5mm x 74.2mm) 5.25" x 3.75" x 1.96" (133.3mm x 95.3mm x 49.7mm)


More Information

Mold inserts can be 3D printed on SLA / MSLA printers using high temperature resins such as Siraya Tech Sculpt or Sculpt Ultra.

Mold inserts are typically fastened into the mold frame using the included 1/4-20 cap screws. This makes it easy to adjust the height of the mold inserts to account for 3D printing variations. The back of the mold insert can be sanded, or paper shims can be added to achieve the desired insert height in the mold frame. Inserts can also be held in the frame using the retention channel at the back of each cavity. This eliminates the need for cap screws and allows the use of the entire cavity volume, but requires a more precise 3D print to achieve the proper height.

Aluminum spacers are sold separately to decrease the cavity depth by 1/2" on one or both halves of the mold to save resin on shallower mold inserts.

Note that this mold frame is taller than the Buster Beagle 3D mold frame, so the nozzle height must be adjusted to use this frame.

Cavity templates in .step format are available in the "Downloads" tab.


Looking for a different size of mold frame? Let us know, we may be able to add a size that meets your needs.

More Information
Manufacturer Syncorda
Manufacturer Part Number MOLDFRAME
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