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OIT 3D Printing Service

Services and Pricing

The cost of 3D printing varies widely and is based on technology and amount of material used.

Self-service printing is available on our basic FDM printers with gray filament. Self-service printing is first-come first-served without charge. We do also allow some limited self-service SL printing.

Premium service includes prioritization over all non-premium orders, support structure removal and model finishing, and pre and post-print consultation for each order.

All premium jobs are also eligible for an additional post-processing inspection scan, available for an additional charge of $10.

Methods and Materials

Consultant's ChoiceConsultant's Choice

If you are unsure of what material or process best suits your job, select this option. Our knowledgeable operators will select the choice best suited for your design.
Available materials:
  • Dealer's Choice:

MetalDesktop Meta;

Available materials:
  • 17 4:

SLAStereolithography

We print for you using our highest quality SL printer from Formlabs.

SL prints are much more detailed than FDM prints (up to 8x), and this technology is suitable for highly detailed prints that have intricate curves. For example, models of hearts. It has a 125 × 125 × 165 mm build volume, and we offer both hard and elastomeric resin for printing. Thin structures less than ~1mm may warp upon hardening. Support structure removal is an optional additional charge.

A hollow print about the size of a dry erase marker uses 50-80 ml of resin. A print of a pediatric heart could use 150-350 ml depending on the density.

$30 base charge (100ml included)
$10 charge for premium materials (flexible or tough resins)
$10 charge for each additional 50ml

Available materials:
  • Black: Black acrylic-like material.
  • Flexible: Dark gray, rubber-like flexible material. +25% printing price compared to acrylic materials
  • Gray: Gray acrylic-like material.
  • High Temp:
  • Tough: 'Engineering resin' that simulates many properties of injection molded ABS.
  • White: White acrylic-like material.

CFFContinuous Fiber

Equipment – Markforged 2

Material Choices – Nylon base material with fiberglass, carbon fiber, or kevlar embedded strands.

Strengths – Extremely strong. Very similar to FFF but winds continuous strands of fiber into the nylon print. Fiberglass offers strength at a relatively low cost while carbon fiber offers an incredible strength to weight ratio, exceeding that of aluminum for many parts. Kevlar is the most flexible of the three fibers and offers resistance to both impact and abrasion.

Weakness – Relatively limited material choices. More expensive than FFF. Support material leaves scars on the print. Only one part can be printed at a time (base charge applies to every part). Fibers can be placed automatically with default settings (fiber on each of top and bottom 3 layers around all walls) or user specified. The latter requires some time for you to sit down with one of our staff members.

When to use this technology – Use in circumstances where you need to make extremely strong, stiff, functional parts.

Design Guide:

Print Bed Size: 320X132X154 mm

Z axis resolution: 100 microns

$10 base charge
$5 per 50 cubic centimeters of nylon
$1 per cubic centimeter of fiberglass
$3 per cubic centimeter of carbon fiber
$1.50 per cubic centimeter of Kevlar

Available materials:
  • Carbon Fiber: Pre-impregnated carbon fiber filament (strongest option)
  • Fiberglass embedded nylon: Pre-impregnated fiberglass filament

IRIS3D Color Printer

Equipment - Mcor IRIS

Material Choices: Letter Size Paper

Strength: Accurate in color information and cheap print material. Great for building colorful parts for industrial design or artistic design.

Weakness: Long print time. Layer thickness is fixed: 0.1 mm due to limited material option.

Design guide:
1. Max Build Size: 9.39 x 6.89 x 5.9 in
2. X, Y & Z axis: 12µ, 12µ, 100µ
3. File Format: .stl for white print; .obj, .dae, .wrl for colorful part. Recommend: stl for wrl file format.

$10 - Base charge for a white part
$30 - Base charge for a colorful part
$10 - per kilometer of knife distance
$9 - per 500 layers of paper
$5 - per 10 ml of glue
Available materials:
  • Colorful: Print the model with colorful texture
  • Pure White: Print only with white papers

MultiJetMultijet 3600

Equipment – 3DSystems MJP3600

Material Choices – We currently only have 'crystal' in stock which is a white semi-transparent polycarbonate-like material. Other materials available for order include: white ABS. Navy, black polycarbonate, and a material for casting small parts. Please note that changing print material results in a significant amount of waste which will be accounted for in job pricing.

Strengths – Similar to SLA but much higher resolution. No surface scars when removing support material. Support material is easily removed. Capable of 16 micron layer resolution.

Weakness – Limited material selection

When to use this technology – Use this when you need the highest resolution 3D print possible or prints without surface scars from support material

Design Guide:
Print Bed Size: (W x D x H): 298 x 185 x 203 mm (11.75 x 7.3 x 8 in)
Resolution (X/Y/Z): 33/33/16 microns

$20 base charge
$.50 per gram of material
$.25 per gram of support

Available materials:
  • Crystal: A white, partially opaque, polycarbonate-like material.

PolyJetStratasys Polyjet J750

Equipment – Stsratasys J750

Material Choices – Nearly infinite.

Strengths – Highest quality visualization 3D printing available. Full color 3D printing as well as a range of flexible options. Easily removable support material with no surface scars on the part. Up to 14 micron layer resolution.

Weakness – The most expensive option.

When to use this technology – When you need full color, high resolution, scar free parts that can be made from a mix of solid and or flexible materials.

Design Guide:
Print Bed Size: 490 x 390 x 200 mm (19.3 x 15.35 x 7.9 in.)
Resolution (X/Y/Z): 42/42/14 microns
Accuracy: 20-85 microns for features below 50 mm; up to 200 microns for full model size (for rigid materials only)

$50 base charge
$0.40 per gram of material
$0.20 per gram of support

For more information on available materials please visit the manufacturers site

Available materials:
  • Rainbow Flexible: We typically have all the materials in stock needed to print a full range of colors as well as anything from hard polycarbonate to highly flexible parts - come in and talk to us!

Laser Cutting

Equipment – Epilog Fusion Laser Cutter

The Epilog Laser Cutters are available for free use by any Duke faculty, student or staff member for small quantity projects. We realize there are times when people may need a manufacturing run, access to better materials, or do not have the time to handle the project themselves. The laser can engrave and cut nearly any material of thickness 0.25 inches or less except for metals. Engraving acrylic works well and looks great for awards and plaques!

$10 base charge
$15 - 1sqft Sheet of Acrylic
$30 - 2sqft Sheet of Acrylic

To ensure our Acrylic inventory is enough, please order or contact us one week earlier than the laser cutting date.

Available materials:
  • Acrylic - 1/4" - 1sqft max: Projects are cut from a 1/4" sheet of acrylic. Projects must be smaller than 1sqft. *Sheet thicknesses are nominal
  • Acrylic - 1/4" - 2sqft max: Projects are cut from a 1/4" sheet of acrylic. Projects must be smaller than 2sqft. *Sheet thicknesses are nominal
  • Acrylic - 1/8" - 1sqft max: Projects are cut from a 1/8" sheet of acrylic. Projects must be smaller than 1sqft. *Sheet thicknesses are nominal
  • Acrylic - 1/8" - 2sqft max: Projects are cut from a 1/8" sheet of acrylic. Projects must be smaller than 2sqft. *Sheet thicknesses are nominal

BluechipsBluechips

Purchase Bluechip 3D printing credit
Available materials:
  • Bluechips: Add Bluechips 3D printing credit. $1 to 1 "Chip" credit ratio.

Materials PurchaseMaterials Purchase

General materials purchase for use with CNC mills or waterjet cutter.
Available materials:
  • Aluminum: Aluminum material for waterjet or CNC. $2.00 / lb.
  • Copper: Copper material for waterjet or CNC. $2.00 / lb.
  • Garnet: Garnet abrasive material for waterjet cutter. $2.00 / lb.
  • Mild Steel: Mild steel material for waterjet or CNC. $2.00 / lb.
  • Stainless or Alloy Steel: Stainless or Alloy material for waterjet or CNC. $2.00 / lb.

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