Per-layer height (mm): the Z-delta from the previous layer, indexed by layer. Layer 0's height is
its absolute Z (its thickness from the bed). Negative deltas (non-monotonic Z, e.g. spiral/vase
synthetic layers) clamp to 0 rather than fabricate a negative height. Derived only from ir.layers.
Per-layer height (mm): the Z-delta from the previous layer, indexed by layer. Layer 0's height is its absolute Z (its thickness from the bed). Negative deltas (non-monotonic Z, e.g. spiral/vase synthetic layers) clamp to 0 rather than fabricate a negative height. Derived only from
ir.layers.