[prkwp_styled_title prk_in=”Introduction” unmargined=”unmargined”]

Tough Resin balances strength and compliance, making it the ideal choice for prototyping strong, functional parts and assemblies that will undergo brief periods of stress or strain.

Toughness is also defined as the area under a stress-strain curve. Tough materials generally have a good balance of strength (the amount of stress a material can withstand) and ductility (the elongation or percentage strain). Because of this, the area under a tough material’s stress-strain curve is much larger than that of a very strong material with low elongation. This has a direct correlation to the amount of energy each material can absorb before failure. Formlabs Tough Resin has lower stiffness than the Standard Resins while withstanding more elongation.

Recommended for

  • High-stress components
  • Snap-fit functions and living hinges
  • Machining
  • Cyclic loading
  • Works-like/feels like ABS prototyping
  • Geometrically accurate prototyping under load
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[vc_message message_box_color=”success” css_animation=”bottom-to-top” message_box_style=”classic”]Pros

  • Balanced strength and ductility
  • High elongation
  • ABS like
[/vc_message][vc_message message_box_color=”warning” css_animation=”bottom-to-top” message_box_style=”classic”]Cons

  • Not suitable for very fine features or thin walls
  • Not suitable for rigid or stiff prints
  • Not suitable for high-temperature applications
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[prkwp_styled_title prk_in=”Design tips” unmargined=”unmargined”]
[prkwp_service name=”Maximum bounding box” serv_image=”1951″ el_class=”PLA_services”]145 × 145 × 175 mm[/prkwp_service][prkwp_spacer size=”20″][prkwp_service name=”Minimum bounding box” serv_image=”1952″ el_class=”PLA_services”]X, Y,Z > 5 mm ( for separated parts)[/prkwp_service][prkwp_spacer size=”20″][prkwp_service name=”Minimum embossed detail” serv_image=”1953″ el_class=”PLA_services”]0.1 mm high & wide mm thick[/prkwp_service][prkwp_spacer size=”20″][prkwp_service name=”Minimum engraved detail” serv_image=”1954″ el_class=”PLA_services”]0.1 mm high & wide[/prkwp_service][prkwp_spacer size=”20″][prkwp_service name=”Minimum unsupported wall thickness” serv_image=”1958″ el_class=”PLA_services”]0.6 mm

A supported wall is connected on two or more sides. An unsupported wall is one connected to other walls on less than two sides. Walls in your model should be thicker than or equal to the minimum measurements suggested to ensure your model makes it through printing and cleaning. Walls that are too thin are prone to warping in the printing processing, or may break when we remove it from the printer and clean it. Walls and wires close to or slightly above the guidelines may still be rejected based on the geometry. For example, extra long wires or walls protruding from an object may be damaged during cleaning. Our production team will communicate with you if the design is too weak with tips on how to strengthen it.[/prkwp_service][prkwp_spacer size=”20″][prkwp_service name=”Minimum supported wall thickness” serv_image=”1956″ el_class=”PLA_services”]

0.3 mm

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0.6 mm

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1 mm

A geometry considered a wire when its thinner in both unconnected directions than its length. When a geometry is thicker than 0.9 mm in one direction, it will fall under the wall guidelines. Wires that are under our suggested minimums are prone to breaking in the cleaning process, or warping.

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Single Escape Hole Diameter
4.0 mm
Multiple Escape Hole Diameter
2.0 mm

Hollow parts of your product are filled in with a waxy support material, which is melted out before we ship your product. If escape holes are not large enough, this wax will remain inside the product.

A single escape hole at the end of a cavity will not allow material in the corners near the escape hole to fully escape. So we recommend multiple escape holes at both ends of the cavity.

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0.05 mm

Clearance is the space between an two parts, e.g. space between gears or a ball and socket joint.

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