Carbon DLS

Carbon DLS 3D Printing

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Carbon DLS (digital light synthesis) is an industrial 3D printing process that creates functional, end-use parts with mechanically isotropic properties and smooth surface finishes. You can choose from both rigid and flexible polyurethane materials to meet your application needs for high impact-resistance components.

Common application for Carbon DLS  are:

Carbon DLS Design Guidelines and Capabilities

Our basic guidelines for Carbon DLS (digital light synthesis) include important design considerations to help improve part manufacturability, enhance cosmetic appearance, and reduce overall production time.

Carbon DLS Material Options

RPU 70 Rigid Polyurethane is manufactured through Carbon’s DLS (digital light synthesis) process. It is a tough all-purpose engineering grade material that comes in black and can be categorized as an ABS-like materials. Ideal part sizes for Carbon materials are 5 in. x 5 in. x 5 in. or less.

Primary Benefits

Compare Carbon DLS Material Properties

Surface Finish on Carbon DLS Parts

Shown below is a Carbon DLS part built with RPU 70 Rigid Polyurethane in normal resolution (0.004 in.).


With unfinished, you get varying aesthetics based on build orientation. Dots or standing nibs remain evident on the bottom of the part from the support structure remnants.

Natural Finish

With natural finishing, you get varying aesthetics based on build orientation. Standing nibs are sanded flat.

How Does Carbon DLS Work?

Carbon DLS uses CLIP (continuous liquid interface production) technology to produce parts through a photochemical process that balances light and oxygen. It works by projecting light through an oxygen-permeable window into a reservoir of UV-curable resin. As a sequence of UV images are projected, the part solidifies, and the build platform rises.

At the core of the CLIP process is a thin, liquid interface of uncured resin between the window and the printing part. Light passes through that area, curing the resin above it to form a solid part. Resin flows beneath the curing part as the print progresses, maintaining the continuous liquid interface that powers CLIP. Following the build, the 3D-printed part is baked in a forced-circulation oven where heat sets off a secondary chemical reaction that causes the materials to adapt and strengthen.

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