define slic3r parameters for bambu 3dprinter

Makefile

@@ -4,6 +4,14 @@ PRINT_TEMP=220
 PRINT_BED_TEMP=65
 PRINT_NOZZLE_DIAM=0.4
 PRINT_FILA_DIAM=1.75
+
+# settings for Bambu p1p 3d printer
+# 50mm/sec w/ raft=2, density 20%: works but causes very rough edges
+# 40mm/sec w/ raft=0, density 20%: fails; infill becomes too sparse
+# 35mm/sec w/ raft=0, density 50%: works, corners are rough
+PRINT_SPEED=25
+PRINT_DENSITY=100
+PRINT_RAFT_LAYERS=0
 # XXX: Slic3r doesn't always set the bed temperature correctly. fix by specifying it also for the first layer.
 SLIC3R_FLAGS=\
 	--temperature $(PRINT_TEMP) \
@@ -11,7 +19,12 @@ SLIC3R_FLAGS=\
 	--bed-temperature $(PRINT_BED_TEMP) \
 	--first-layer-bed-temperature $(PRINT_BED_TEMP) \
 	--nozzle-diameter $(PRINT_NOZZLE_DIAM) \
-	--filament-diameter $(PRINT_FILA_DIAM)
+	--filament-diameter $(PRINT_FILA_DIAM) \
+	--solid-infill-speed $(PRINT_SPEED) \
+	--first-layer-speed $(PRINT_SPEED) \
+	--infill-speed $(PRINT_SPEED) \
+	--raft-layers $(PRINT_RAFT_LAYERS) \
+	--fill-density $(PRINT_DENSITY)
 
 all: build/case.stl build/case.gcode