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DO: Add 3D models
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@ubruhin
ubruhin committed Jun 23, 2024
1 parent 9043dde commit c05d4bf
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86 changes: 83 additions & 3 deletions generate_do.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
- JEDEC DO-214 https://www.jedec.org/system/files/docs/DO-214D.PDF
"""
import sys
from os import path
from uuid import uuid4

Expand All @@ -16,9 +17,9 @@
Layer, Name, Polygon, Position, Position3D, Rotation, Rotation3D, Value, Version, Vertex, Width
)
from entities.package import (
AssemblyType, AutoRotate, ComponentSide, CopperClearance, Footprint, FootprintPad, LetterSpacing, LineSpacing,
Mirror, Package, PackagePad, PackagePadUuid, PadFunction, Shape, ShapeRadius, Size, SolderPasteConfig,
StopMaskConfig, StrokeText, StrokeWidth
AssemblyType, AutoRotate, ComponentSide, CopperClearance, Footprint, Footprint3DModel, FootprintPad, LetterSpacing,
LineSpacing, Mirror, Package, Package3DModel, PackagePad, PackagePadUuid, PadFunction, Shape, ShapeRadius, Size,
SolderPasteConfig, StopMaskConfig, StrokeText, StrokeWidth
)

GENERATOR_NAME = 'librepcb-parts-generator (generate_do.py)'
Expand Down Expand Up @@ -76,6 +77,7 @@ def generate_pkg(
author: str,
config: DoConfig,
polarity: bool,
generate_3d_models: bool,
pkgcat: str,
version: str,
create_date: Optional[str],
Expand Down Expand Up @@ -352,10 +354,86 @@ def _add_silkscreen(

_add_footprint(package, Name('default'), 'default-')

# Generate 3D models
uuid_3d = _uuid('3d')
if generate_3d_models:
generate_3d(library, pkg_name, uuid_pkg, uuid_3d, config, polarity)
package.add_3d_model(Package3DModel(uuid_3d, Name(pkg_name)))
for footprint in package.footprints:
footprint.add_3d_model(Footprint3DModel(uuid_3d))

package.serialize(path.join('out', library, 'pkg'))


def generate_3d(
library: str,
pkg_name: str,
uuid_pkg: str,
uuid_3d: str,
config: DoConfig,
polarity: bool,
) -> None:
import cadquery as cq

from cadquery_helpers import StepAssembly, StepColor

print(f'Generating pkg 3D model "{pkg_name}": {uuid_3d}')

body_standoff = 0.15 + (0.05 + 0.3) / 2 # A2 + A3
leg_height = (0.15 + 0.41) / 2 # c
leg_z_top = body_standoff + (config.body_height / 2) + (leg_height / 2)
bend_radius = 0.1 + (leg_height / 2)
body_chamfer_xy = 0.15 # rough estimation
body_chamfer_z = (config.body_height - leg_height) / 2
bar_length = 0.2 * config.body_length
bar_width = config.body_width - (3 * body_chamfer_xy)
bar_height = 0.02
bar_x = -(config.body_length - bar_length) / 2 + (2 * body_chamfer_xy)

body = cq.Workplane('XY', origin=(0, 0, body_standoff + (config.body_height / 2))) \
.box(config.body_length, config.body_width, config.body_height) \
.edges('|Y').chamfer(body_chamfer_z, body_chamfer_xy) \
.edges('|X').chamfer(body_chamfer_z, body_chamfer_xy)
bar = cq.Workplane('XY', origin=(bar_x, 0, body_standoff + config.body_height)) \
.box(bar_length, bar_width, bar_height)
leg_path = cq.Workplane("XZ") \
.hLine(-config.contact_length + (leg_height / 2) + bend_radius) \
.ellipseArc(x_radius=bend_radius, y_radius=bend_radius, angle1=180, angle2=270, sense=-1) \
.vLine(leg_z_top - leg_height - (2 * bend_radius)) \
.ellipseArc(x_radius=bend_radius, y_radius=bend_radius, angle1=90, angle2=180, sense=-1) \
.hLine(config.contact_length)
leg = cq.Workplane("ZY") \
.rect(leg_height, config.contact_width) \
.sweep(leg_path)

assembly = StepAssembly(pkg_name)
assembly.add_body(body, 'body', StepColor.IC_BODY)
if polarity:
assembly.add_body(bar, 'bar', StepColor.IC_PIN1_DOT)
lead_x = (config.total_length / 2) - config.contact_length
assembly.add_body(leg, 'leg-1', StepColor.LEAD_SMT,
location=cq.Location((-lead_x, 0, leg_height / 2)))
assembly.add_body(leg, 'leg-2', StepColor.LEAD_SMT,
location=cq.Location((lead_x, 0, leg_height / 2), (0, 0, 1), 180))

# Save without fusing for slightly better minification.
out_path = path.join('out', library, 'pkg', uuid_pkg, f'{uuid_3d}.step')
assembly.save(out_path, fused=False)


if __name__ == '__main__':
if '--help' in sys.argv or '-h' in sys.argv:
print(f'Usage: {sys.argv[0]} [--3d]')
print()
print('Options:')
print(' --3d Generate 3D models using cadquery')
sys.exit(1)

generate_3d_models = '--3d' in sys.argv
if not generate_3d_models:
warning = 'Note: Not generating 3D models unless the "--3d" argument is passed in!'
print(f'\033[1;33m{warning}\033[0m')

configs = []

# body_length_nom (E1); body_width_nom (D); body_height_nom (A1)
Expand Down Expand Up @@ -388,6 +466,7 @@ def _add_silkscreen(
author='murray',
config=config,
polarity=True,
generate_3d_models=generate_3d_models,
pkgcat='dcaa6b6c-0c55-43fd-a320-5dd74a2cdc85',
version='0.1',
create_date='2023-08-15T22:33:08Z',
Expand All @@ -397,6 +476,7 @@ def _add_silkscreen(
author='murray',
config=config,
polarity=False,
generate_3d_models=generate_3d_models,
pkgcat='dcaa6b6c-0c55-43fd-a320-5dd74a2cdc85',
version='0.1',
create_date='2023-08-15T22:33:08Z',
Expand Down
8 changes: 8 additions & 0 deletions uuid_cache_do.csv
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
pkg-diom5226x240-3d,03f09b29-31af-4f37-a67e-86ffff65b00b
pkg-diom5226x240-default-body,a98a77ba-852b-4f4f-9fb1-2d771cd6b00d
pkg-diom5226x240-default-cathodeband,d2d47d2a-9d38-46b7-a238-4df579f193f2
pkg-diom5226x240-default-courtyard,5be08b28-4b26-4ac1-8aae-09307f077511
Expand All @@ -10,6 +11,7 @@ pkg-diom5226x240-default-text-value,2174a448-8b22-4072-8fb4-ad93ccba590d
pkg-diom5226x240-pad-a,70bb734f-a4c2-49c2-871c-e5ae843dd50e
pkg-diom5226x240-pad-c,fa650833-d0d0-4c48-b73a-bf6137341842
pkg-diom5226x240-pkg,09222d37-5ed9-4409-aa3d-2f6d78a4fdd8
pkg-diom5226x295-3d,e5b1d3ae-5d12-4a59-9103-dd89763c485c
pkg-diom5226x295-default-body,0bde6393-3a14-421d-b2c2-7f41cda9bb94
pkg-diom5226x295-default-cathodeband,cd25abf0-8d01-4c2e-a7d6-227816e8ffb5
pkg-diom5226x295-default-courtyard,bae933f3-644d-47a1-902c-214d31972ba8
Expand All @@ -22,6 +24,7 @@ pkg-diom5226x295-default-text-value,3661aa06-6df6-4c8a-81c1-e14e0fcf5d50
pkg-diom5226x295-pad-a,2dff4cbc-d050-4658-8f57-4b0ed0f9b876
pkg-diom5226x295-pad-c,d89f5209-c457-431e-bcfe-98296d8535b3
pkg-diom5226x295-pkg,f7380b5e-1cc4-46e3-94b9-dfa7e2785056
pkg-diom5436x230-3d,3ca99c30-7f5f-4048-a51a-bf9a7710a00b
pkg-diom5436x230-default-body,af9979e6-981d-4ac0-9e40-a596ffb460a6
pkg-diom5436x230-default-cathodeband,b00d514f-4304-48f4-a4b8-87550b94bc4e
pkg-diom5436x230-default-courtyard,f4d4c0b4-dff1-4788-8f3a-bb07ed507336
Expand All @@ -34,6 +37,7 @@ pkg-diom5436x230-default-text-value,7d38931f-28be-48a7-af5d-9f53270c5007
pkg-diom5436x230-pad-a,b782f0d8-3175-4405-ad7d-28132b5d535a
pkg-diom5436x230-pad-c,8be51409-30aa-42d6-98e4-fead8c6c400f
pkg-diom5436x230-pkg,4cfa109d-bc5f-4268-8901-cc2a4349704d
pkg-diom7959x230-3d,1ab7bd40-ca78-4fde-8f0e-2ee718c17030
pkg-diom7959x230-default-body,9383bc4d-452d-4f76-a33a-5bbc9064189b
pkg-diom7959x230-default-cathodeband,e8c93dd1-4e7d-41c9-8451-62d05fe8549e
pkg-diom7959x230-default-courtyard,9dd926ae-6919-4180-bfa2-76d42d98b685
Expand All @@ -46,6 +50,7 @@ pkg-diom7959x230-default-text-value,4c785cb8-3275-434e-a0bd-23f5493e9f83
pkg-diom7959x230-pad-a,6170f57b-d9ef-4138-9747-12f56bd83427
pkg-diom7959x230-pad-c,66d018a3-81ba-4fb4-badc-8bbb0678e808
pkg-diom7959x230-pkg,4a0138a3-fa5f-4e17-8bd9-14a3d1817a98
pkg-dionm5226x240-3d,0889a69a-5961-4e7e-9b29-3b52b1251efd
pkg-dionm5226x240-default-body,e3dc664f-db86-480c-b979-774782e56c88
pkg-dionm5226x240-default-courtyard,845ef858-e22d-4e61-8229-c8770994c325
pkg-dionm5226x240-default-footprint,82bf40ff-a368-4577-bc71-8034bed3ca8b
Expand All @@ -58,6 +63,7 @@ pkg-dionm5226x240-default-text-value,8413a6d8-f61f-4676-a516-213f9daf557a
pkg-dionm5226x240-pad-1,22313f50-6c0b-4e17-960b-03a57c0bf6a6
pkg-dionm5226x240-pad-2,36983fd8-d9c6-47b1-8fa2-bb55268f7397
pkg-dionm5226x240-pkg,11a510a7-e928-4797-8a5a-4e66bc126c7c
pkg-dionm5226x295-3d,caf6cb8b-9cce-49e0-be47-5935210440dc
pkg-dionm5226x295-default-body,8d9f8c9c-a29d-4453-9c80-434dd4097947
pkg-dionm5226x295-default-courtyard,b8e6f33e-8803-4d5f-b7c1-5aced330acdb
pkg-dionm5226x295-default-footprint,bccdf787-faa0-4436-a96e-27a8665819a7
Expand All @@ -70,6 +76,7 @@ pkg-dionm5226x295-default-text-value,bb2f9eab-ca5a-4b92-bf49-709a5fa3203a
pkg-dionm5226x295-pad-1,a2963994-0109-44b8-a1d9-13643aa1c986
pkg-dionm5226x295-pad-2,a21cd98c-6e8b-461f-a554-269b85cd6610
pkg-dionm5226x295-pkg,6cc5ff9c-4400-44ca-8671-870b490f8ab5
pkg-dionm5436x230-3d,9150402b-3fec-4d15-bdc3-ebfd1ba39246
pkg-dionm5436x230-default-body,755ef9a7-775e-489b-9e33-7e30285e77c7
pkg-dionm5436x230-default-courtyard,6078faf8-4a7d-4a8e-ad8b-14ec8d752d40
pkg-dionm5436x230-default-footprint,14647a56-930d-402b-89ea-fac72e7a98b6
Expand All @@ -82,6 +89,7 @@ pkg-dionm5436x230-default-text-value,0010d2e1-7192-4901-864a-ee52c8cf6b04
pkg-dionm5436x230-pad-1,bce9702a-6106-4ebc-9ce0-0f1ce3a1b837
pkg-dionm5436x230-pad-2,d03a99a6-5ef9-4c0c-9ea4-c18397f0cb5a
pkg-dionm5436x230-pkg,fc5f3f2b-8773-4069-9961-7c14a6674568
pkg-dionm7959x230-3d,e4a00e81-50a1-4256-94e6-35719b68be53
pkg-dionm7959x230-default-body,746bb004-0e4b-4ee2-99ee-ef755fe2370a
pkg-dionm7959x230-default-courtyard,a9531d97-7084-44b9-91a1-0e5ebf219e94
pkg-dionm7959x230-default-footprint,4f80d30d-9899-4208-96ed-69660c4d4c2b
Expand Down

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