Static Load Optimization

Last updated:
September 30, 2025

Learn how to apply forces, set constraints, and generate lightweight optimized designs with Vixiv AI’s static load optimization workflow.

1. Import Your 3D Model to Vixiv AI

  • From the Home Page, click “Drag & drop or click to import a 3D model” or use the “Import new file” button in the upper right.
  • File format: must be an STL file.
Import file from Home dashboard

2. Explore the Optimization Workspace

Once your file is open, you’ll see it displayed in a 3D workspace with grid and dimensions.

Scene visualization settings
Material visualization settings
Section view settings
  1. Navigation controls:
    • Left-click + drag → rotate your part
    • Scroll wheel → zoom in/out
  2. Scene Visualization:
    • Toggle axes and grid on/off
    • Switch pivot axis (Global or Model)
    • Reset view to default (⟳)
  3. Material Visualization:
    • Adjust STL color and opacity
    • Show/hide wireframe
    • Show/hide force arrows
  4. Section View:
    • Enable/disable section cut
    • Choose a plane and clip position
    • Reverse the section view direction

3. Apply Force and Constraints

Static load optimization requires selecting both a load surface and a fixed surface.

  • Load (Green):
    • In the upper left, select Load.
    • Click on the surface where you want to apply force (highlights in green).
    • Optional: specify a force direction. If left blank, the force is normal to the surface.
    • Remove a load by clicking the same surface again.
  • Fixed Face (Red):
    • In the upper left, select Fixed Face.
    • Choose the surface that represents attachment (e.g., bottom surface on a floor, side of an angle bracket attached to a wall).
    • Surface highlights in red.
    • Remove by clicking again.
  • Tolerance:
    Adjust tolerance to capture more of a curved surface.
    • Low tolerance = fewer triangles selected
    • High tolerance = more triangles included
Applying Load and Fixed Face inputs to a drone body
Applying Load and Fixed Face inputs to an angle bracket

4. Set Optimization Requirements

  • Domain: Static loading (upcoming domains: Vibration, Thermal, Fluidics, Multi-physics).
  • Printer: HP MJF 5200 (upcoming printers: FDM, SLA, and other manufacturing methods)
  • Material: Currently trained on PA 12 (upcoming materials: more polymer materials, metallics)
  • Shell Thickness: Default 1 mm (0.039 in). Maintains a perimeter “skin” for drilling or attachments. Toggle between SI and imperial units.
  • Zero Thickness Direction: Allows powder removal (required for powder-based printers like MJF). Choose an axis or “None” for enclosed lattices.
  • Optimization Goal: Optimize for Max Load or Stiffness.
    • Currently supported loads: 0–10,000 lbf (0–44,482 N)
    • Generated outputs will satisfy the inputed optimization goal

5. Generate a Design

Click Generate to start optimization. Vixiv AI will generate a table of up to 21 unique solutions that all satisfy optimization goal.

  • Est time: ~10 minutes.
  • There is no token cost if zero designs are generated.
  • Table color code:
    • Green → easiest to manufacture/unpack based on printer.
    • Yellow → moderately challenging based on printer.
    • Red → hardest to manufacture/unpack based on printer.
    • Note: “Red” doesn’t mean bad — it may provide the best stiffness or mass reduction depending on your needs.
Generated outputs for a drone body to hold minimum of 100lbs

6. Review, Sort, and Export

  • Sort designs by your priorities (mass reduction, stiffness, etc.)
  • Preview output designs directly in Vixiv AI by selecting individual outputs.
    • Est time: <1 minute per preview.
  • Export your chosen design as an STL file (triangulated mesh).
    • Est time: ~10 minutes per export.
    • Outputs with checkmarks indicate previously exported outputs.
  • Slice the exported file with your preferred slicer and print immediately.
Preview and export selected optimized designs
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