This listing supplies a single watertight 1:87 (HO) master STL of an unbranded cab‑over semi tow truck configured as a recovery tractor. The design emphasizes a clear cab‑over silhouette — a short cab above the engine with a near‑vertical front face — combined with a compact, integrated towing assembly that reads as a heavy tractor adapted for recovery duties.
Key visible features
- Cab and front end: short‑nosed cab‑over profile with simplified windshield framing, door outlines and thickened mirror bosses to retain readable detail at HO scale.
- Towing assembly: consolidated boom and wheel‑lift cradle on the rear deck with structural massing that conveys a functional recovery rig. Fine hydraulic hoses and delicate rigging have been consolidated into stronger forms to improve small‑scale print resilience.
- Chassis and axle massing: dual rear axle massing with pronounced wheel arches and bulged fenders for a heavy vehicle footprint on a layout. Wheel hubs and arch outlines are modeled for visual clarity while avoiding fragile projections.
- Print‑forward simplifications: small grab handles, thin light bars and delicate mirrors are thickened or omitted to reduce breakage risk at small scales. The geometry favors robust primary shapes (cab, chassis, boom) so parts survive handling and scenic placement.
Included
- One watertight STL file sized as a 1:87 (HO) master. Miniature Reality provides a single 1:87 master; uniformly scale this master inside your slicer to produce other scales. Very small scales (for example 1:160 N scale printed on FDM) will lose fine surface treatments and may print better in resin.
Printing notes for hobbyists and printers
- Orientation: print with the underside down to preserve wheel profiles and chassis detail. Orienting the model on the tyres can reduce supports under the cab but will expose the boom and cradle area that may need light supports.
- Supports: the compact boom and cradle typically require minimal supports depending on layer height and printer. Test small support touchpoint sizes around overhangs to limit cleanup.
- Fragility: the design intentionally consolidates fine trim; if your layout expects heavy handling, consider printing at a larger scale or reinforcing thin regions in your slicer.
- Typical slicer guidance: FDM layer height 0.12–0.20 mm; resin 50–100 micron exposures for smaller details. Use a brim or raft if the printed footprint is narrow to avoid tipping during initial layers.
Intended uses
- Model railroading HO layouts: the 1:87 sizing and rear axle massing make this tow tractor a natural fit beside service sheds, yards and roadside vignettes.
- Dioramas and displays: the boom and cradle silhouette read as a recovery vehicle for roadside accident scenes, industrial areas and vehicle parks.
- Kitbashing and conversions: the solid rear deck and mounting geometry make this a good donor for custom booms, lightbars or signage.
Limitations and provenance
- Source notes: this record originates from a legacy auto‑stub and the visible render identifies the subject as a cab‑over semi tow truck. The mesh preserves that silhouette and towing assembly; however maker identity, exact tow equipment variant and fine trim are not authoritative. If you need a branded or historically period‑accurate prototype, request a manual review or supply reference photographs.
Conversion reminder
- This listing supplies a single 1:87 (HO) master STL. To print at other scales, uniformly scale the mesh inside your slicer and be mindful that very small scales will lose fine detail. Miniature Reality does not provide multiple pre‑scaled STLs in this listing.
License
- File provided for hobby, display and kitbashing use. Customers should verify printability and orientation for their printers and may remove or alter visible text or branding to meet intended use.
Miniature Reality Personal-Use License (No AI / No Resale)
- Allowed: personal printing for your own layouts, dioramas, tabletop games, and personal display.
- Not allowed: sharing or distributing the digital files (free or paid), re-uploading to any site, bundling, remix resale, or selling/redistributing printed outputs.
- Not allowed: using the files (or derivatives) to train, fine-tune, test, or feed any AI/ML system (including dataset creation).
- Not allowed: commercial use of any kind without a separate written commercial license from Miniature Reality.
- Note: digital files may include purchaser-linked identifiers / forensic watermarking to help investigate unauthorized distribution.
