Fry3DX 0.4: an easy 3D modeller

Shapes with live settings, shape editing, knife and hole tools, drawing
shapes onto other objects, combining objects (add / subtract / overlap),
copies, thickness, painting with stickers and layers, a Layout tab, a
Print tab with checks, packed .fry files with autosave, export to GLB,
glTF, FBX, OBJ, 3MF, STL and PLY, folders in Layers, its own crash
screen, and a website for GitHub Pages in docs/.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NMSrd5oe1GpUD7E6d825KP

src/CMakeLists.txt

@@ -0,0 +1,13 @@
+# Fry3DX: the app (app.cpp) on the engine, and its modelling core (mesh, scene) as a library the
+# tests use too.
+add_library(fry_core STATIC mesh.cpp tools.cpp cut.cpp uv.cpp image.cpp sticker.cpp shapes.cpp scene.cpp package.cpp export.cpp print.cpp boolean.cpp modify.cpp)
+target_include_directories(fry_core PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_link_libraries(fry_core PUBLIC glm::glm libzstd_static)
+target_compile_definitions(fry_core PUBLIC GLM_ENABLE_EXPERIMENTAL)
+
+add_executable(fry3dx app.cpp icons.cpp)
+target_link_libraries(fry3dx PRIVATE fry_core keel stb)
+add_dependencies(fry3dx content)
+foreach(t fry_core fry3dx)
+  target_compile_options(${t} PRIVATE -Wall -Wextra -Wno-missing-field-initializers)
+endforeach()