機器
3d
abstract
architect
background
blueprint
box outline
business
computer
connect
construction
cylinder
cylinder outline
design
detail
draft
draw
drawing
element
engineering
equipment
frame
gear
graphic
hard surface
icon
illustration
industrial
industry
machinery
mechanic
mechanical
mechanism
object
outline
paper
part
pattern
plan
screws
silhouette
sketch
technical
technology
texture
wire frame
wireframe