500x500pxpiston diagram, monochrome motorcycle engine, reciprocating engine parts, black and white piston valve, mechanical illustration, automotive component sketch, engine mechanism drawing
462x709pxpiston cartoon character, engine part illustration, mechanical art design, fictional character logo, automotive repair tools, industrial machinery art, mechanical component drawing
1000x750pxhand drawn gear diagram, mechanical engineering line art, technical drawing of hardware, engineering sketch of rim, gear mechanism illustration, industrial component sketch, precision engineering artwork
1024x1024pxgear logo, simple machine icon, black and white gear drawing, bevel gear symbol, mechanical component, industrial design element, circular hardware accessory
600x600pxmonochrome gear logo, black line drawing, motion gear train, black and white artwork, mechanical icon design, interlocking wheel components, minimalist industrial theme
1000x1000pxgray bolt illustration, metal screw nut, screw thread drawing, hardware accessory, fastener components, mechanical parts diagram, industrial fastening tools
800x800pxgear illustration, quality tires service center, starter ring gear, black and white line drawing, mechanical components, industrial machinery parts, gear system design
500x500pxdiesel engine technical drawing, monochrome engine blueprint, cross section auto part illustration, Yaroslavl Motor Plant engine schematic, mechanical line art, industrial machinery diagram, engine component design
