{"product_id":"1139_untitled","title":"Case Steam Traction Engine","description":"This listing supplies a single, highly detailed 1:87 (HO) master STL of an early 20th-century Case steam traction engine. Modeled from a left-side elevation reference, the file preserves the cylindrical boiler with rivet rows, vertical front smokestack, small front spoked wheel, large rear spoked drive wheel, external flywheel\/pulley, visible chain drive and sprocket, ladder and axle housings. The reference image contained a white occlusion covering part of the upper drive; the model avoids inventing ornamental signage and keeps period-accurate mechanical detail. The master STL is ideal for HO model-railroad layouts, historical dioramas and display models. Print notes: orient on its side with axle horizontal, use tree supports for spokes, and print filament at 0.12–0.16 mm layers or resin at 50–75 microns for best detail. The master is supplied at 1:87 — scale uniformly in your slicer to print other sizes. Recommended minimum wall thickness for delicate features is 0.6–0.8 mm. Perfect for hobbyists, collectors and small museum exhibits.\u003cp\u003e\u003cstrong\u003eAvailable railroad scales:\u003c\/strong\u003e Z (1:220), N (1:160), HO (1:87.1), S (1:64), O (1:48)\u003c\/p\u003e\u003cp\u003eReady to print digital download in one piece with no assembly needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIMPORTANT: You are purchasing the file in the scale selected below.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMiniature Reality\u003c\/strong\u003e 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 \u003cem\u003e(Our hobbies are dying because the average person can't afford to enjoy them, we want to help fix that)\u003c\/em\u003e. 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMiniature Reality Personal-Use License (No AI \/ No Resale)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAllowed: personal printing for your own layouts, dioramas, tabletop games, and personal display.\u003c\/li\u003e\n\u003cli\u003eNot allowed: sharing or distributing the digital files (free or paid), re-uploading to any site, bundling, remix resale, or selling\/redistributing printed outputs.\u003c\/li\u003e\n\u003cli\u003eNot allowed: using the files (or derivatives) to train, fine-tune, test, or feed any AI\/ML system (including dataset creation).\u003c\/li\u003e\n\u003cli\u003eNot allowed: commercial use of any kind without a separate written commercial license from Miniature Reality.\u003c\/li\u003e\n\u003cli\u003eEnforcement note: digital files may include purchaser-linked identifiers \/ forensic watermarking to help investigate unauthorized distribution.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Miniature Reality","offers":[{"title":"Z (1:220)","offer_id":43939992371287,"sku":"mr_7827d2_ec4465a4-220","price":2.99,"currency_code":"USD","in_stock":true},{"title":"N (1:160)","offer_id":43939992404055,"sku":"mr_7827d2_ec4465a4-160","price":2.99,"currency_code":"USD","in_stock":true},{"title":"HO (1:87.1)","offer_id":43939992436823,"sku":"mr_7827d2_ec4465a4-87","price":2.99,"currency_code":"USD","in_stock":true},{"title":"S (1:64)","offer_id":43939992469591,"sku":"mr_7827d2_ec4465a4-64","price":2.99,"currency_code":"USD","in_stock":true},{"title":"O (1:48)","offer_id":43939992502359,"sku":"mr_7827d2_ec4465a4-48","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:24","offer_id":43939992535127,"sku":"mr_7827d2_ec4465a4-24","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:32","offer_id":43939992567895,"sku":"mr_7827d2_ec4465a4-32","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:43","offer_id":43939992600663,"sku":"mr_7827d2_ec4465a4-43","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:72","offer_id":43939992633431,"sku":"mr_7827d2_ec4465a4-72","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:100","offer_id":43939992666199,"sku":"mr_7827d2_ec4465a4-100","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:120","offer_id":43939992698967,"sku":"mr_7827d2_ec4465a4-120","price":2.99,"currency_code":"USD","in_stock":true},{"title":"1:144","offer_id":43939992731735,"sku":"mr_7827d2_ec4465a4-144","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2078\/1911\/files\/1139_Untitled_camera001.png?v=1781288679","url":"https:\/\/miniaturereality.com\/products\/1139_untitled","provider":"Miniature Reality","version":"1.0","type":"link"}