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rework to accept as many legends as user wants, a list of dictionarie… #6

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rework to accept as many legends as user wants, a list of dictionarie… #6

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40 changes: 28 additions & 12 deletions keycap.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,28 @@
import opk
from cadquery import exporters
try:
from cq_server.ui import UI, show_object
except ModuleNotFoundError:
pass

cap = opk.keycap()
show_object(cap)

#exporters.export(cap, 'keycap.stl', tolerance=0.001, angularTolerance=0.05)
#exporters.export(cap, 'keycap.step')
from opk import *
import cadquery as cq

rows = [
{'angle': 13, 'height': 16}, # row 0, function row
{'angle': 9, 'height': 14}, # row 1, numbers row
{'angle': 8, 'height': 12}, # row 2, QWERT
{'angle': -6, 'height': 11.5}, # row 3, ASDFG
{'angle': -8, 'height': 13}, # row 4, ZXCVB
{'angle': 0, 'height': 12.5}, # row 5, bottom row
]

legend = [
{'t':'⎋','ox':-9.0,'oy':2.5,'fs':12,'f':"DejaVu Sans Mono"},
{'t':'α','ox':8.8,'oy':3.0,'fs':2,'f':"DejaVu Sans Mono"},
{'t':'ă','ox':-5.8,'oy':-3.0,'fs':8,'f':"DejaVu Sans Mono"},
{'t':'x','ox':7.8,'oy':-3.0,'fs':5,'f':"DejaVu Sans Mono"},
{'t':'o','fs':10}
]

cap = keycap(angle=rows[5]['angle'], height=rows[5]['height'],
unitX=2, unitY=1,
convex=False, depth=2.8,
legend=legend)
cq.exporters.export(cap, 'space-penguin.stl', tolerance=0.001, angularTolerance=0.05)
if 'show_object' in locals():
show_object(cap)

99 changes: 61 additions & 38 deletions opk.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
"""
==========================
██████ ██████ ██ ██
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==========================
Open Programmatic Keycap
Open Programmatic Keycap
==========================

OPK is a spherical top keycap profile developed in CadQuery
Expand All @@ -16,7 +16,7 @@

!!! The profile is still highly experimental and very alpha stage. ¡¡¡

If you use the code please give credit, if you do modifications consider
If you use the code please give credit, if you do modifications consider
releasing them back to the public under a permissive open source license.

Copyright (c) 2022 Matteo "Matt3o" Spinelli
Expand All @@ -38,10 +38,7 @@ def keycap(
depth: float = 2.8, # Scoop depth
thickness: float = 1.5, # Keycap sides thickness
convex: bool = False, # Is this a spacebar?
legend: str = "", # Legend
legendDepth: float = -1.0, # How deep to carve the legend, positive value makes the legend embossed
font: str = "sans-serif",
fontsize: float = 10
legend: list[dict()]=[{}] , # Legend
):

top_diff = base - top
Expand All @@ -55,7 +52,7 @@ def keycap(
ty = by - top_diff

# if spacebar make the top less round-y
tension = .4 if convex else 1
tension = .4 if convex else 1

# Three-section loft of rounded rectangles. Can't find a better way to do variable fillet
base = (
Expand Down Expand Up @@ -130,7 +127,7 @@ def keycap(

#show_object(tool, options={'alpha': 0.4})
keycap = keycap - tool

# Top edge fillet
keycap = keycap.edges(">Z").fillet(0.6)

Expand Down Expand Up @@ -176,7 +173,7 @@ def keycap(
.circle(2.75)
.clean()
)

stem2 = (
cq.Sketch()
.push(stem_pts)
Expand All @@ -201,30 +198,56 @@ def keycap(
)

# Add the legend if present
if legend and legendDepth != 0:
fontPath = ''
if font.endswith((".otf", ".ttf", ".ttc")):
fontPath = font
font = ''

legend = (
cq.Workplane("XY").transformed(offset=cq.Vector(0, 0, height+1), rotate=cq.Vector(angle, 0, 0))
.text(legend, fontsize, -4, font=font, fontPath=fontPath, halign="center", valign="center")
)
bb = legend.val().BoundingBox()
# try to center the legend horizontally
legend = legend.translate((-bb.center.x, 0, 0))

if legendDepth < 0:
legend = legend - keycap
legend = legend.translate((0,0,legendDepth))
keycap = keycap - legend
legend = legend - tool # this can be used to export the legend for 2 colors 3D printing
else:
tool = tool.translate((0,0,legendDepth))
legend = legend - tool
legend = legend - keycap # use this for multi-color 3D printing
keycap = keycap + legend
if legend and len(legend)>0:
for l in legend:
legendDepth = -1.0
if 'depth' in l:
legendDepth = l['depth']

if legendDepth != 0:
fontPath = ''
font = ''
if 'f' in l:
font = l['f']
if font.endswith((".otf", ".ttf", ".ttc")):
fontPath = font
font = ''
ox = 0
if 'ox' in l:
ox = l['ox']
oy = 0
if 'oy' in l:
oy = l['oy']
t = ''
if 't' in l:
t = l['t']
fontsize = 10
if 'fs' in l:
fontsize = l['fs']
halign = 'center'
if 'halign' in l:
halign = l['halign']
valign = 'center'
if 'valign' in l:
valign = l['valign']
leg = (
cq.Workplane("XY").transformed(offset=cq.Vector(0, 0, height+1), rotate=cq.Vector(angle, 0, 0))
.text(t, fontsize, -4, font=font, fontPath=fontPath, halign=halign, valign=valign)
)
bb = leg.val().BoundingBox()
# try to center the legend horizontally
legend = leg.translate((-bb.center.x+ox, oy, 0))

if legendDepth < 0:
legend = legend - keycap
legend = legend.translate((0,0,legendDepth))
keycap = keycap - legend
legend = legend - tool # this can be used to export the legend for 2 colors 3D printing
else:
tool = tool.translate((0,0,legendDepth))
legend = legend - tool
legend = legend - keycap # use this for multi-color 3D printing
keycap = keycap + legend

#show_object(legend, name="legend", options={'color': 'blue', 'alpha': 0})

Expand Down