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Please click the image below to view a video of a 3D printed boat hull pattern (from which fiberglass boat hull molds are made), produced on an Thermwood LSAM 10'x20'. 

Thermwood LSAM Marine Boat Hull Pattern Video

This achievement was the result of a collaborative effort between Thermwood Corporation,Techmer PM and Marine Concepts.

The tool was printed slightly oversized and then trimmed to final net size and shape using a Thermwood’s large scale additive manufacturing (LSAM®) system.

The Details

It was made from Techmer’s Electrafil© ABS LT1 3DP, which has proven ideal for marine tooling applications when processed using LSAM print technology. The entire print, assembly and trim process required less than ten working days to complete. After the printed and trimmed tool was coated and finished, a fiberglass mold was produced using the printed pattern. This effort clearly demonstrates the feasibility, practicality, economics and advantages of using additive manufacturing in the production of boat tooling. 

The final tool was printed in six sections, four major center sections with walls approximately an inch and a half thick and a solid printed transom and bow, which were pinned and bonded together using Lord plural component urethane adhesive before being machined as a single piece on the Thermwood system.

Click for More Info on the Thermwood LSAM