diff --git a/Cargo.lock b/Cargo.lock
index 7844e29..5779c3a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1052,7 +1052,7 @@ dependencies = [
 [[package]]
 name = "egui-wgpu"
 version = "0.36.2"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "ahash",
  "bytemuck",
@@ -1203,7 +1203,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -2208,7 +2208,7 @@ checksum = "f9f8bd3e56ce4dfc153cf470fffbfa98c7620958b312ca5c3a4b8d5181fd13c6"
 [[package]]
 name = "matext4cgmath"
 version = "0.1.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "cgmath",
  "katexit",
@@ -3380,7 +3380,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.12.1",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -3437,7 +3437,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -3792,7 +3792,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-doc"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "log",
  "serde",
@@ -3809,7 +3809,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-engine"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "log",
  "serde",
@@ -3826,7 +3826,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-geom"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "serde",
  "thiserror 2.0.21",
@@ -3835,7 +3835,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-io"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "quick-xml",
  "serde",
@@ -3851,7 +3851,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-kernel"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "log",
  "rayon",
@@ -3870,9 +3870,10 @@ dependencies = [
 [[package]]
 name = "solidcraft-render"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "image",
+ "png",
  "serde",
  "solidcraft-geom",
 ]
@@ -3880,7 +3881,7 @@ dependencies = [
 [[package]]
 name = "solidcraft-sketch"
 version = "0.11.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "serde",
  "solidcraft-geom",
@@ -3992,7 +3993,7 @@ dependencies = [
  "getrandom 0.4.3",
  "once_cell",
  "rustix 1.1.5",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -4228,7 +4229,7 @@ dependencies = [
 [[package]]
 name = "truck-meshalgo"
 version = "0.4.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "array-macro",
  "derive_more",
@@ -4278,7 +4279,7 @@ dependencies = [
 [[package]]
 name = "truck-shapeops"
 version = "0.4.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "derive_more",
  "itertools 0.13.0",
@@ -4293,7 +4294,7 @@ dependencies = [
 [[package]]
 name = "truck-stepio"
 version = "0.3.0"
-source = "git+https://github.com/bherbruck/solidcraft?rev=a629236650c44ee73edf36fab0dcd2385103a610#a629236650c44ee73edf36fab0dcd2385103a610"
+source = "git+https://github.com/bherbruck/solidcraft?rev=b1695873f5d0031f51a8d5e7ec036fced6f000e2#b1695873f5d0031f51a8d5e7ec036fced6f000e2"
 dependencies = [
  "chrono",
  "truck-geometry",
@@ -4347,7 +4348,7 @@ checksum = "f2f6fb2847f6742cd76af783a2a2c49e9375d0a111c7bef6f71cd9e738c72d6e"
 dependencies = [
  "memoffset",
  "tempfile",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -4937,7 +4938,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
@@ -5282,7 +5283,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d6f32a0ff4a9f6f01231eb2059cc85479330739333e0e58cadf03b6af2cca10"
 dependencies = [
  "cfg-if",
- "windows-sys 0.61.2",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 7d69b44..e44dca6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,13 +59,13 @@ rfd = "0.17"
 
 # Geometry: SolidCraft's B-rep kernel (MIT OR Apache-2.0), pinned. Only crates/geometry uses it
 # (plan/adr/0001-libraries.md).
-solidcraft-geom = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-solidcraft-kernel = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-solidcraft-doc = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-solidcraft-io = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
+solidcraft-geom = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+solidcraft-kernel = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+solidcraft-doc = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+solidcraft-io = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
 # Runs SolidCraft command scripts (the test corpus recipes); only behind fieldcraft-geometry's
 # `scripts` feature.
-solidcraft-engine = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
+solidcraft-engine = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
 
 [workspace.lints.rust]
 unsafe_code = "forbid"
@@ -129,10 +129,10 @@ debug = "line-tables-only"
 # reach a dependent workspace, so FieldCraft applies the same ones from the same pinned commit;
 # keep this list and the rev in step with SolidCraft's [patch.crates-io].
 [patch.crates-io]
-truck-shapeops = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-truck-stepio = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-truck-meshalgo = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
-matext4cgmath = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
+truck-shapeops = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+truck-stepio = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+truck-meshalgo = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
+matext4cgmath = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }
 # egui-wgpu with SolidCraft's fixes (vendor/egui-wgpu there): MSAA clamped to what the device
 # supports and 1x on OpenGL adapters, so the requested 4x never fails pipeline validation at start.
-egui-wgpu = { git = "https://github.com/bherbruck/solidcraft", rev = "a629236650c44ee73edf36fab0dcd2385103a610" }
+egui-wgpu = { git = "https://github.com/bherbruck/solidcraft", rev = "b1695873f5d0031f51a8d5e7ec036fced6f000e2" }