How a Mockup Is Made

Primary process: FDM (Filament). The full route, materials, tolerances and design tips for a mockup, with an indicative cost.

FDM (Filament)Primary process
AdditiveFamily
5Route steps
+/-0.2mmTypical tol.

A mockup is primarily made by FDM (Filament). FDM 3D printing builds a part layer by layer from molten thermoplastic filament extruded along a toolpath. Below is the full route to make a mockup, the materials it suits, the tolerances to expect and the main design points. The route is free, from the finder.

Step by step

How a mockup is made

The usual route, raw material to finished part. The amber step is where the mockup gets its basic shape.

  1. CAD and slicing

    Prepare the 3D model, orient the mockup and generate supports and layers.
  2. FDM (Filament)

    Build the mockup layer by layer.
    Tooling None   Tolerance ±0.2 to 0.5mm   Lead hours to days
  3. Support removal

    Take the part off the plate and remove the supports.
  4. Surface finish

    Bead blast, tumble or sand to the finish you need.
  5. Inspection

    Verify dimensions and, for metal, check density and porosity.

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Precision

Tolerances to expect

TYPICAL TOLERANCE IT CAN HOLD
+/-0.2mm typicalcoarsefine+/-1mm+/-0.1mm+/-0.01mm+/-0.005mm
Where this process typically lands. Tighter is possible with extra operations like grinding, at higher cost.
Materials

Materials for a mockup

GradeWhy it suits this
PLACheap, easy, brittle
PETG/ABSTougher, functional
Nylon / CF-nylonStrong, stiff
Design

Design tips

General pointers. The full design-for-manufacturing list for a mockup is in the dossier.

  • Load perpendicular to layers. Orient for strength.
  • Large flat first layer. Add chamfer/brim.
Cost

What a mockup should cost

Cheapest additive; prototypes, jigs, low-volume functional parts. Priced by print hours and volume, flat curve.

PER-PART COST vs VOLUME
one-offat volumeVolume per order, low to highCost per part
Per-part cost drops as volume spreads tooling and setup over more parts. The exact figures for a mockup at your volume, in your currency, are in the dossier.
MODEL EST.
$10 to 29 per part at 1 off
A rough ballpark only. The dossier gives should-cost at your exact volume and currency, with the full breakdown.
GET THE FULL DOSSIER

Everything you need to quote and source it

The free route above is yours. To actually put a number on a mockup and buy it well:

  • Should-cost at your exact volume in 12 currencies, with the material, processing, tooling and overhead breakdown
  • Who to source from, typical MOQ and lead time, and the exact RFQ checklist to send
  • A quote checker that tells you if a supplier quote is fair, and the red flags to watch
  • The full DFM list and a ready-to-send RFQ draft

One part is $2, once. Pro is every part, plus the tracker, compare and sync. Cancel anytime.

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See also: How FDM (Filament) works and the full route for a mockup in the finder.

FAQ

Frequently asked questions

How is a mockup made?
A mockup is primarily made by fdm (filament). The route is: CAD and slicing; FDM (Filament); Support removal; Surface finish; Inspection.
What does a mockup cost?
It depends on size, tolerance and volume. As a rough ballpark it starts around $10 to 29 per part at 1 off and falls with quantity. The dossier gives should-cost at your exact volume and currency. A model estimate, not a quote.
What material is a mockup made from?
Common choices are PLA; PETG/ABS; Nylon / CF-nylon.
What is the main process for a mockup?
FDM (Filament). Fast prototypes, jigs, fixtures and low-volume plastic parts with no tooling.
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