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Actual assembled CAD render of the WAC Corporal 1945 sustainer; Tiny Tim not included at 1:15; unprinted prototypeEnlarge CAD render ↗

Actual CAD assembly. Preview colors distinguish parts; this is not a photograph of a printed model.

Free download / Historical scale model

WAC Corporal

A 1:15 model of the 1945 WAC Corporal sustainer, with hollow shells, three separate fins and a glue-in recovery cap. The Tiny Tim booster is not included.

  • 1:15 scale
  • 328.5 mm tall
  • 8 assembled pieces
  • Hollow body & nose

1.3 MB ZIP · No checkout or email required.

Digital download. No physical item is shipped.

See the parts & print notes ↓
A closer look

Hollow where it matters.

The nose cutaway shows the interior cavity. A separate glue-in cap provides the recovery attachment concept; its printed strength and adhesive bond have not been tested.

WAC Corporal hollow nose cutawayEnlarge ↗
Section through the actual nose geometry; the cut is for illustration only.
WAC Corporal separate glue-in recovery capEnlarge ↗
Separate cap with a cord bridge. Follow this kit’s orientation and support notes.
WAC Corporal separate printable partsEnlarge ↗
Parts are supplied separately. Follow the quantities in the assembly notes.

Files included

  • 10 STL files in millimeters — including 2 fit coupons
  • Individual editable STEP parts and an assembled STEP reference
  • Separate multipart print-layout 3MF and assembled reference 3MF — geometry only
  • Editable CadQuery source, parameters and regeneration instructions
  • Assembly guidance, historical source notes, CAD previews and digital QA evidence

Version: Revision A — Prototype · November 5, 2026. Dimensions are in millimeters.

Use the print-part STL or 3MF files for slicing. The assembled reference shows the complete model and is not a one-piece print. STEP files open as solids in CAD software; the supplied source and parameters let you regenerate the parts.

Historical configuration

1945 sustainer; Tiny Tim not included. Sourced dimensions and estimated details are distinguished in the package notes.

Before printing

Dimensions & fit
1:15 scale; 328.507 mm assembled height; 20.659 mm nominal main body diameter. Configuration: 1945 sustainer; Tiny Tim not included.
Build volume
Modular files and a separate print-layout 3MF are included. Check every part and rearrange the layout for your actual printer; no printer envelope has been physically validated.
Material
Filament, printer, nozzle and calibrated fits remain to be selected and physically tested.
Orientation & supports
Use upright shells, flat fins and the compact cap flat plug face down. Print both fit coupons first and inspect the cap opening and closed nose tip in the slicer.
Printer settings
Nominal body and nose wall target: 1.2 mm. Fine exterior details and model interfaces include labeled estimates. No tested layer height, nozzle or printer profile is supplied.
Hardware
Adhesive and any display or recovery cord are not supplied. No motor mount, motor, launch hardware or flight recovery system is included. The cap, bond and cord attachment have no qualified load rating.

Package notes & support

No usage license is specified in the supplied package. This listing does not add license terms. Contact ITERA about permissions.

Email info@iterarocketry.com with WAC Corporal Revision A, the file name and your question. No order number is required for this direct download.

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