This listing is sized as an master for hobby printing and is ideal for dioramas, model-railroad layouts and industrial scenes. The piece depicts a skid-mounted power unit with an engine bank, alternator drum, exhaust stacks, cylindrical service tanks, extensive pipework and a control/switch box on a welded skid base. The base provides mounting feet and service-access cutouts so the unit integrates into yard and workshop areas. For best results print the skid flat to preserve mounting detail; thin pipes may need local thickening before printing. Use the included scaling guidance to resize for other popular scales. Perfect as a layout accessory or display prop to add believable industrial detail.

Available railroad scales: Z (1:220), N (1:160), HO (1:87.1), S (1:64), O (1:48)

Dimensions by Scale (mm):

• Z (1:220) | 7.6 x 15.8 x 6.7 mm (W x D x H)
• N (1:160) | 10.4 x 21.8 x 9.2 mm (W x D x H)
• HO (1:87.1) | 19.2 x 40.0 x 16.9 mm (W x D x H)
• S (1:64) | 26.1 x 54.4 x 23.0 mm (W x D x H)
• O (1:48) | 34.8 x 72.5 x 30.7 mm (W x D x H)
• 1:24 | 69.5 x 145.0 x 61.4 mm (W x D x H)
• 1:32 | 52.2 x 108.8 x 46.0 mm (W x D x H)
• 1:43 | 38.8 x 80.9 x 34.3 mm (W x D x H)
• 1:72 | 23.2 x 48.3 x 20.5 mm (W x D x H)
• 1:100 | 16.7 x 34.8 x 14.7 mm (W x D x H)
• 1:120 | 13.9 x 29.0 x 12.3 mm (W x D x H)
• 1:144 | 11.6 x 24.2 x 10.2 mm (W x D x H)

Ready to print digital download in one piece with no assembly needed.

IMPORTANT: You are purchasing the file in the scale selected below.

Miniature Reality Makes practical, print-ready scenery and vehicles so you can economically fill out the background of your layout, diorama, or tabletop without paying centerpiece prices for everything (Our hobbies are dying because the average person can't afford to enjoy them, we want to help fix that). We want your miniature worlds to feel real and full of life - with more variety, more detail in every scene, and prices that won't hold you back.

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.
• Enforcement note: digital files may include purchaser-linked identifiers / forensic watermarking to help investigate unauthorized distribution.