migrate pretiosus from ipynp to py

This commit is contained in:
Marius Unsel 2026-02-27 01:43:44 +01:00
parent 7c9ab943c7
commit 6ee7dd5fb1
4 changed files with 470 additions and 3 deletions

8
.gitignore vendored Normal file
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bin
include
lib64
share
lib
*.step
*.stl
*.cfg

258
pretiosius.py Normal file
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#%%
from build123d import *
from ocp_vscode import *
from math import sin, cos, pi
import copy
set_defaults(reset_camera=Camera.KEEP, render_joints=True, helper_scale=8)
# %%
y = 120
height = 6
pad = 2
s = 0.8
s1 = 0.7
#%%
with BuildPart() as ring:
with BuildSketch(Plane.XY) as sk:
with BuildLine() as outline:
c1 = Bezier((-pad,y,0),(-pad,y+3,0),(height+pad,y+3,0),(height+pad, y, 0))
c2 = Bezier((-pad,y,0),(-pad,y-2,0),(height+pad,y-2,0),(height+pad, y, 0))
#c1 = Spline([(-pad,y,0),(height+pad,y,0)], tangents=[(0,1),( 0,-1)], tangent_scalars=[s,s])
#c2 = Spline([(-pad,y,0),(height+pad,y,0)], tangents=[(0,-1),(0,1)], tangent_scalars=[s1,s1])
make_face()
revolve(axis=Axis.X)
show(ring,outline)
# %%
outer_ring_surface = Face.revolve(c1, 360, Axis.X)
# cut ring in half and use the outer edge that got created by the cut
#outer_ring_path = (copy.copy(ring.part)-(Pos(X=10+height/2)*Box(20,50,50))).edges().sort_by(Axis.X)[-1]
outer_ring_path = ring.part.edges().sort_by(Axis.X)[0]
show(ring,outer_ring_surface,outer_ring_path)
# %%
def sinus_signal(periods, width, height,n):
dw = (width) / (n-1)
dphi = periods * 2 * pi / (n-1)
t = 0.5 # thickness
pts = [( t+0.1+dw*i, t+0.1+(height/2)*(1+sin(dphi*i))) for i in range(n)]
with BuildSketch() as sk:
with BuildLine() as signal:
Polyline(pts)
offset(amount=t)
make_face()
return sk
sig = sinus_signal(1,outer_ring_path.length/3, 5, 60)
show(sig)
#%%
wrapped_sig = outer_ring_surface.wrap_faces(sig.faces(), outer_ring_path)
show(ring, wrapped_sig)
# %%
width = 3
ri = 10
rm = ri+2
ro = ri+4
p = Pos(ri,0,0)
def string_to_binary_string(s:str):
return ''.join(["{0:08b}".format(ord(c)) for c in s])
def build_signal2D(binstring, width):
hheight = height - 1
print(f"{width=} {hheight=}")
n = len(binstring)
dw = width/n
h = 0.5 if binstring[0] == "0" else hheight
pts = [(h,+ 0.5)]
for i, b in enumerate(binstring):
pos_flank = (b == "0" and binstring[(i+1)%n] == "1")
neg_flank = (b == "1" and binstring[(i+1)%n] == "0")
#print(f"{pos_flank*1}{neg_flank*1}")
if pos_flank or neg_flank:
x = dw*(1+i) if i < len(binstring)-1 else dw*(1+i) -0.5
pts.append((h,x))
#print(f"- {i} {b}")
if pos_flank:
h = hheight
#print(f"^ {i} {b}")
pts.append((h,x))
if neg_flank:
#print(f"v {i} {b}")
h = 0.5
pts.append((h,x))
#print(f"{pts = }")
with BuildSketch() as sk:
with BuildLine() as signal:
Polyline(pts)
offset(amount=0.4)
make_face()
#rrr = Rectangle(width, height,mode=Mode.PRIVATE)
return sk
# %%
sig = build_signal2D("100010",outer_ring_path.length-0.0)
show(sig.face())
# %%
wrapped_sig = outer_ring_surface.wrap_faces(sig.faces(), outer_ring_path)
show(ring, wrapped_sig)
#show(sig)
# %%
def build_signal_A(binstring, ri):
n = len(binstring)
ro = ri+1
dphi =2*pi/(n+0)
dp = dphi/10
dh = min(dp*ro, 18*pi/180)
a = 1
tngu = lambda phi, d: (a*cos(phi), a*sin(phi), d)
tngd = lambda phi, d: (-a*cos(phi), -a*sin(phi), d)
with BuildPart() as signal:
with BuildLine(Plane.XY) as path_builder:
segments = []
h = 0 if binstring[0] == "0" else height
same_bits_streak = 0
for i, b in enumerate(binstring):
pos_flank = (b == "0" and binstring[(i+1)%n] == "1")
neg_flank = (b == "1" and binstring[(i+1)%n] == "0")
same_bits_streak += 1
if neg_flank or pos_flank or (i == n-1):
phi0 = dphi*(i-same_bits_streak+1)
phi1 = dphi*(i-same_bits_streak+1+0.5*same_bits_streak)
phi2 = dphi*(i+1)
phi0_pad = phi0 + dp
phi2_pad = phi2 - dp
#if segments:
# segments.append(Spline(segments[-1]@1,p1, tangents=[segments[-1]%1, tngu(phi2, -1)]))
segments.append(ThreePointArc(
(ri * cos(phi0_pad), ri * sin(phi0_pad),h),
(ri * cos(phi1), ri * sin(phi1),h),
(ri * cos(phi2_pad), ri * sin(phi2_pad),h),
))
same_bits_streak = 0
p1 = (ri * cos(phi2), ri * sin(phi2),height-dh)
p2 = (ri * cos(phi2), ri * sin(phi2),dh)
#l = segments[i]
if neg_flank:
h = 0
segments.append(Spline(segments[-1]@1,p1, tangents=[segments[-1]%1, tngu(phi2, -1)]))
segments.append(Spline(p1,p2,
tangents=[tngu(phi2, -1), tngd(phi2, -1)]))
if pos_flank:
h = height
segments.append(Spline(p2,p1,
tangents=[tngu(phi2, 1), tngd(phi2, 1)]))
# l1 = segments[0]
with BuildSketch(Plane( segments[0] @ 0, z_dir=segments[0] % 0)) as x_section:
Circle(0.5)
#return path_builder
sweep(transition=Transition.ROUND)
return signal
def build_signal_B(binstring, ri):
n = len(binstring)
ro = ri+1
dphi =2*pi/(n+0) # how much angle per bit
dp = 0.81/ri/pi#dphi/10 # how much of that used for curvature
dh = min(dp*ro, 10*pi/180)
a = 1
tngu = lambda phi, d: (a*cos(phi), a*sin(phi), d)
tngd = lambda phi, d: (-a*cos(phi), -a*sin(phi), d)
def build_segments(pre_segments=[]):
segments = []
h = 0 if binstring[0] == "0" else height
same_bits_streak = 0
i_hoz = 0
ns = len(pre_segments)
for i, b in enumerate(binstring):
pos_flank = b == "0" and binstring[(i+1)%n] == "1"
neg_flank = b == "1" and binstring[(i+1)%n] == "0"
same_bits_streak += 1
if neg_flank or pos_flank or (i == n-1):
phi0 = dphi*(i-same_bits_streak+1)
phi1 = dphi*(i-same_bits_streak+1+0.5*same_bits_streak)
phi2 = dphi*(i+1)
phi0_pad = phi0 + dp
phi2_pad = phi2 - dp
#if segments:
# segments.append(Spline(segments[-1]@1,p1, tangents=[segments[-1]%1, tngu(phi2, -1)]))
segments.append(ThreePointArc(
(ri * cos(phi0_pad), ri * sin(phi0_pad),h),
(ri * cos(phi1), ri * sin(phi1),h),
(ri * cos(phi2_pad), ri * sin(phi2_pad),h),
))
i_hoz += 1
same_bits_streak = 0
p1 = (ri * cos(phi2), ri * sin(phi2),height-dh)
p2 = (ri * cos(phi2), ri * sin(phi2),dh)
#l = segments[i]
if neg_flank:
h = 0
if pre_segments:
segments.append(Spline(pre_segments[i_hoz-1]@1,p1, tangents=[pre_segments[i_hoz-1]%1, tngu(phi2, -1)]))
segments.append(Spline(p1,p2,
tangents=[tngu(phi2, -1), tngd(phi2, -1)]))
segments.append(Spline(p2, pre_segments[i_hoz%ns]@0, tangents=[tngd(phi2, -1), pre_segments[i_hoz%ns]%0]))
if pos_flank:
h = height
if pre_segments:
segments.append(Spline(pre_segments[i_hoz-1]@1,p2, tangents=[pre_segments[i_hoz-1]%1, tngu(phi2, 1)]))
segments.append(Spline(p2,p1,
tangents=[tngu(phi2, 1), tngd(phi2, 1)]))
segments.append(Spline(p1, pre_segments[i_hoz%ns]@0, tangents=[tngd(phi2, 1), pre_segments[i_hoz%ns]%0]))
return segments
pre_segments = build_segments()#???
with BuildPart() as signal:
with BuildLine(Plane.XY) as path_builder:
#path_builder.mode=Mode.PRIVATE
segments = build_segments(pre_segments)
#segments = build_segments()
# l1 = segments[0]
with BuildSketch(Plane(segments[0] @ 0, z_dir=segments[0] % 0)) as x_section:
Circle(0.4)
#Rectangle(0.8,0.8)
#return path_builder
sweep()
#sweep(transition=Transition.ROUND)
signal.label="decor"
#return pre_segments
return path_builder
#return signal
# %%
#binstr = '0101100'#
#binstr = '110101000'#
binstr = string_to_binary_string("munsel")
#binstr = string_to_binary_string("nonpostrans")
signal = build_signal_B(binstr, ri+width+0.3)
#show(signal,ring, transparent=True)
show(signal, transparent=True)
#%%
product = Compound(label="ring", children=[ring.part, signal.part])
show(product)

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psorias_releaser.py Normal file
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def build_psorias_release(L = 216, W = 127, H = 135,PEAK2PEAK = 160, h_bottom = 15):
R0 = 40
R1 = 8
R2 = 40
R3 = 30
w_cut_inside = (PEAK2PEAK / 2) - R1-1
w_cut_outside = (L / 2) - w_cut_inside - (2 * R1)
print(f"{w_cut_inside = } {w_cut_outside = }")
h_bend = 70
w_bend = w_cut_outside - 8
h_rect = 10
w_slope = 10
with BuildPart() as p:
with BuildSketch(Plane.XZ) as s:
with Locations((0,H-R0)):
Circle(R0)
with Locations((0,0)):
Rectangle(W, h_rect)
make_hull()
extrude(amount=L/2)
with BuildSketch(Plane.YZ.offset(-W/2)) as s:
with Locations((-(L-w_cut_inside)/2, H+h_rect/2)):
Rectangle(w_cut_inside, h_rect)
with Locations(((-L+w_cut_inside-w_slope-R2-1)/2, h_bottom+h_rect/2)):
Rectangle(w_cut_inside-w_slope-R2, h_rect)
with Locations((-(L-w_cut_inside+R2-w_slope)/2, h_bottom+R2)):
Circle(R2)
make_hull()
extrude(amount=W, mode=Mode.SUBTRACT)
with BuildSketch(Plane.YZ.offset(-W/2)) as s:
with Locations((-w_cut_outside/2, H+h_rect/2)):
Rectangle(w_cut_outside, h_rect)
with Locations(((h_rect)/2, h_rect)):
Rectangle(h_rect, h_rect)
with Locations((-w_bend+R3, h_bend)):
Circle(R3)
make_hull()
extrude(amount=W, mode=Mode.SUBTRACT)
fillet(p.edges().sort_by(Axis.Z)[-1], radius=R1)
fillet(p.edges().sort_by(Axis.Z)[-3], radius=R1)
#scale(by=(1,1,0.8), mode=Mode.SUBTRACT)
mirror(p.part, about=Plane(p.faces().group_by(Axis.Y)[0][0]))
return p
p = build_psorias_release()
p1 = build_psorias_release(L = 216, W = 110, H = 100,PEAK2PEAK = 160, h_bottom = 15)
p2 = p.part - p1.part.locate(Location((0.,0,-25.)))
p2
# %%
p1 = copy.copy(p.part)
p1 = scale(p1, by=(0.8,0.95,0.8)).locate(Location((0.,-(1-0.95)*W/2.-2.5,-25.)))
p2 = p.part-p1
p2.export_step("psoas_releaser.step")

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#%% #%%
from build123d import * from build123d import *
from ocp_vscode import * from ocp_vscode import *
from bd_animation import AnimationGroup, clone, normalize_track #from bd_animation import AnimationGroup, clone, normalize_track
import copy import copy
set_defaults(reset_camera=Camera.KEEP, render_joints=True, helper_scale=8) set_defaults(reset_camera=Camera.KEEP, render_joints=True, helper_scale=8)
@ -83,7 +83,43 @@ show(psu_holder)
# %% # %%
rg=74 rg=74
with BuildPart() as glass_holder: rg1=83
rg2=68
rgr=2
with BuildPart() as glassholder_rod:
with BuildLine(Plane.XZ) as ghp:
FilletPolyline((rg/2+rgr,3),(rg/2+rgr,10),(rg/4,20),(rg/4,60),(rg1/2+rgr,114),\
(rg2/2+rgr,200),radius=10)
with BuildSketch(Plane((rg/2+rgr,0,0),z_dir=(0,0,1))):
Rectangle(rgr*2,rgr*2)
sweep()
# lower screw mounts
with BuildSketch():
with Locations((rg/2,-2)):
Circle(6)
with Locations((rg/2+2,-4)):
Circle(1.55,mode=Mode.SUBTRACT)
extrude(amount=3)
# upper screw mounts
with BuildSketch(Plane.XY.offset(197)):
with Locations((rg/2,-2)):
Circle(6)
with Locations((rg/2+2,-4)):
Circle(1.55,mode=Mode.SUBTRACT)
extrude(amount=3)
Cylinder(rg/2,6,mode=Mode.SUBTRACT)
with Locations((0,0,197)):
Cylinder(rg2/2,6,mode=Mode.SUBTRACT)
with Locations((rg2/2,8)):
Box(30,12,500,mode=Mode.SUBTRACT)
#with Locations((0,0,200))
show(glassholder_rod, ghp)
# %%
export_step(glassholder_rod.part, 'glassholder_rod.step')
# %%
with BuildPart() as glass_holder_base:
with BuildSketch() as sk: with BuildSketch() as sk:
Circle(rg/2+2) Circle(rg/2+2)
extrude(amount=4.5) extrude(amount=4.5)
@ -98,9 +134,112 @@ with BuildPart() as glass_holder:
Cylinder(rg/2,3,mode=Mode.SUBTRACT) Cylinder(rg/2,3,mode=Mode.SUBTRACT)
with Locations((-rg/4-1,0,6)): with Locations((-rg/4-1,0,6)):
Box(rg/2+2,rg+4,10,mode=Mode.SUBTRACT) Box(rg/2+2,rg+4,10,mode=Mode.SUBTRACT)
fillet(glass_holder.edges().group_by(Axis.Z)[5].filter_by(GeomType.CIRCLE), radius=1.6) fillet(glass_holder_base.edges().group_by(Axis.Z)[5].filter_by(GeomType.CIRCLE), radius=1.6)
Cylinder(rg/2-10, 2,mode=Mode.SUBTRACT) Cylinder(rg/2-10, 2,mode=Mode.SUBTRACT)
with PolarLocations(rgr,3):
with Locations((rg/2,-2,0)):
Cylinder(6,1,align=[Align.CENTER,Align.CENTER,Align.MIN])
with Locations((rg/2+2,-4)):
Cylinder(1.55,10,mode=Mode.SUBTRACT)
show(glass_holder_base)
# %%
export_step(glass_holder_base.part, 'glassholder_base.step')
#%%
with BuildPart() as glassholder_top:
with BuildSketch(Plane.XY.offset(200)):
Circle(rg2/2+rgr*2)
with Locations((-rg2/2+6,0)):
Rectangle(14,rg)
Circle(rg2/2,mode=Mode.SUBTRACT)
with PolarLocations(rgr,3):
with Locations((rg2/2,-2,0)):
Circle(6)
with Locations((rg2/2+2,-4)):
Circle(1.55,mode=Mode.SUBTRACT)
extrude(amount=4)
with Locations((-rg2/2+4,-rg2/2-5,202),(-rg2/2+4,rg2/2+5,202)):
Cylinder(5.6/2, 20, rotation=(90,0,0))
Cylinder(rg2/2, 500, mode=Mode.SUBTRACT)
with Locations((0,0,205),(0,0,199)):
Box(120,120,2,mode=Mode.SUBTRACT)
show(glassholder_top)
# %%
export_step(glassholder_top.part, "glassholder_top.step")
#%%
with BuildPart() as glassstem_holder:
with Locations((-8.5,0,0)):
Box(10,rg/2,2)
with PolarLocations(rg/4+2, 3):
Box(4,4,100,mode=Mode.SUBTRACT)
fillet(glassstem_holder.edges().group_by(Axis.X)[-1].filter_by(Axis.Z), radius=4)
show(glassstem_holder)
export_step(glassstem_holder.part, "glassstem_holder.step")
# %%
with BuildPart() as glass_holder:
add(glass_holder_base)
with PolarLocations(rgr,3):
add(copy.copy(glassholder_rod))
add(glassholder_top)
with Locations((0,0,50)):
add(glassstem_holder)
show(glass_holder) show(glass_holder)
# %% # %%
show(glass_holder.edges().group_by(Axis.Z)[5].filter_by(GeomType.CIRCLE)) show(glass_holder.edges().group_by(Axis.Z)[5].filter_by(GeomType.CIRCLE))
# %% # %%
def splintgen(m=1.45,h=7.2):
with BuildPart() as snapfit_splint:
with BuildSketch() as sn_sk:
with BuildLine():
Polyline((0,0),(m+0.5,0),(m+0.5,1),(m,1),(m,h),(m+0.5,h),(m+0.5,h+0.5),\
(m,h+m),(m/2,h+m),(0,m*3),close=True)
make_face()
mirror(about=Plane.YZ)
extrude(amount=m)#50% radius
return snapfit_splint
m3x7_splint = splintgen(h=8.5)
show(m3x7_splint)
#%%
export_step(m3x7_splint.part, "m3x8_splint.step")
# %%
with BuildPart() as bearing_mount:
d=19.4
t = 1
Cylinder(d/2+t,7+1)
#Cylinder(d/2,7,mode=Mode.SUBTRACT)
#Cylinder(d/2-1,9,mode=Mode.SUBTRACT)
with Locations((-d/2-t,0,4.5)):
Box(1,36,17)
fillet(bearing_mount.edges(Select.NEW).filter_by(Axis.Z),radius=7)
Cylinder(d/2,7,mode=Mode.SUBTRACT)
Cylinder(d/2-1,9,mode=Mode.SUBTRACT)
with Locations((-d/2-t,0,28.5)):
Box(1,80,40)
fillet(bearing_mount.edges(Select.NEW).filter_by(Axis.X),radius=10)
with BuildSketch(Plane.YZ.offset(-d/2-t)):
with Locations((0,28.5)):
with GridLocations(12,6,6,6):
RectangleRounded(10,4,1)
with GridLocations(75,10,2,4):
Circle(1.5)
extrude(amount=2,mode=Mode.SUBTRACT,both=True)
with Locations((d/2,0,0)):
Box(10,10,10,mode=Mode.SUBTRACT)
fillet(bearing_mount.edges(Select.NEW).filter_by(Axis.Z).group_by(Axis.X)[-1],radius=0.5)
show(bearing_mount)
# %%
export_step(bearing_mount.part, "bearing_mount.step")
# %%