From 562dc76ab02316abd5ad1cd32846c526dd58eef9 Mon Sep 17 00:00:00 2001 From: Arthur Date: Wed, 6 Mar 2024 09:50:15 +0800 Subject: [PATCH] FIX: raft of tree support was incorrect 1. Raft was not generated when tree support is selected but enable_support is false. 2. Raft angle and density of tree support was incorrect github: #3675 Change-Id: Ifd78bf619a28eb03a908e75ad56af4934b6b08b7 (cherry picked from commit 2a448095a2fb4a2abebb0a5c8082a2ddbb635f16) (cherry picked from commit e7ffe31cb3c6b526268adb4c2349a2623b181c53) --- src/libslic3r/Support/TreeSupport.cpp | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/src/libslic3r/Support/TreeSupport.cpp b/src/libslic3r/Support/TreeSupport.cpp index 66e2f57c5d..3f78d5b091 100644 --- a/src/libslic3r/Support/TreeSupport.cpp +++ b/src/libslic3r/Support/TreeSupport.cpp @@ -1333,12 +1333,13 @@ void TreeSupport::generate_toolpaths() auto raft_areas1 = offset_ex(raft_areas, scale_(expand_offset)); Flow support_flow = Flow(support_extrusion_width, ts_layer->height, nozzle_diameter); - Fill* filler_interface = Fill::new_from_type(ipRectilinear); - filler_interface->angle = layer_nr == 0 ? 90 : 0; - filler_interface->spacing = support_extrusion_width; + Fill* filler_raft = Fill::new_from_type(ipRectilinear); + filler_raft->angle = layer_nr == 0 ? PI/2 : 0; + filler_raft->spacing = support_flow.spacing(); FillParams fill_params; - fill_params.density = object_config.raft_first_layer_density * 0.01; + coordf_t raft_density = std::min(1., support_flow.spacing() / (object_config.support_base_pattern_spacing.value + support_flow.spacing())); + fill_params.density = layer_nr == 0 ? object_config.raft_first_layer_density * 0.01 : raft_density; fill_params.dont_adjust = true; // wall of first layer raft @@ -1349,7 +1350,7 @@ void TreeSupport::generate_toolpaths() raft_areas1 = offset_ex(raft_areas1, -flow.scaled_spacing() / 2.); } fill_expolygons_generate_paths(ts_layer->support_fills.entities, raft_areas1, - filler_interface, fill_params, erSupportMaterial, support_flow); + filler_raft, fill_params, erSupportMaterial, support_flow); } // subtract the non-raft support bases, otherwise we'll get support base on top of raft interfaces which is not stable @@ -1372,8 +1373,8 @@ void TreeSupport::generate_toolpaths() Flow support_flow(support_extrusion_width, ts_layer->height, nozzle_diameter); Fill* filler_interface = Fill::new_from_type(ipRectilinear); - filler_interface->angle = 0; - filler_interface->spacing = support_extrusion_width; + filler_interface->angle = PI / 2; // interface should be perpendicular to base + filler_interface->spacing = support_flow.spacing(); FillParams fill_params; fill_params.density = interface_density;