University Sand Table Display Model Manufacturing Factory

1. Drawing Analysis and Preprocessing

Data Conversion:

Use CAD software to convert customer drawings to a 1:300 scale

Export building contour lines in layers (maintaining 0.1mm accuracy)

Label special structures: bell tower dome, connecting corridors, staircase classrooms, etc.

Material selection:

Main buildings: 3mm gray ABS board laser-cut

Sports field: specialized track rubber particles (0.5-1mm particle size)

Green belts: Electrostatic flocked fabric combined with landscaping fibers

II. Core component production

Building complex implementation:

Adopting a “skin + skeleton” structure:

Internal: 1mm birch plywood as the support frame

Exterior facade: Etched 0.5mm acrylic panels to detail window frames

Special treatments:

Glass curtain walls: Vacuum-coated rainbow PET sheets

Roof: Sandblasted to simulate waterproof layer texture

Sports field construction:

Track base layer: 5 layers of 300g white cardstock compressed

Markings: 0.3mm water transfer printing stickers

Soccer field: blended short pile + UV glue color fixation

III. Overall assembly process

Terrain shaping:

Contour line treatment:

Every 5m elevation difference corresponds to a 3mm foam rubber layer

Reinforced with bamboo skewers where slopes exceed 15°

Water System Construction:

Epoxy resin poured in three layers

Edges transitioned naturally with mineral powder

Landscaping System:

Trees: Steel wire framework + dried moss

Shrubs: Colored sponge debris

Lawn: Layered spraying with an electrostatic flock machine (dark green base layer + light green top layer)

4. Key points for drawing restoration

Building positioning uses the cross-coordinate method (benchmark stakes are set every 50 meters)

Road networks are first outlined with 0.3mm copper wire and then filled in

Transition areas not explicitly specified in the drawings are handled with gradient materials