height level mismatches seems to be fixed.

src/libslic3r/SLA/SLABasePool.hpp

@@ -23,6 +23,13 @@ struct PoolConfig {
     double min_wall_height_mm = 5;
     double max_merge_distance_mm = 50;
     double edge_radius_mm = 1;
+
+    inline PoolConfig() {}
+    inline PoolConfig(double wt, double wh, double md, double er):
+        min_wall_thickness_mm(wt),
+        min_wall_height_mm(wh),
+        max_merge_distance_mm(md),
+        edge_radius_mm(er) {}
 };
 
 /// Calculate the pool for the mesh for SLA printing
@@ -31,6 +38,15 @@ void create_base_pool(const ExPolygons& base_plate,
                       const PoolConfig& = PoolConfig()
                       );
 
+/// TODO: Currently the base plate of the pool will have half the height of the
+/// whole pool. So the carved out space has also half the height. This is not
+/// a particularly elegant solution, the thickness should be exactly
+/// min_wall_thickness and it should be corrected in the future. This method
+/// will return the correct value for further processing.
+inline double get_pad_elevation(const PoolConfig& cfg) {
+    return cfg.min_wall_height_mm / 2.0;
+}
+
 }
 
 }