GB B push the lower folding buffer outwards.
PL
GB Insert direction for double parallel fold.
This sort of fold is only possible with thin paper.
PL Kierunek dla falcowania
GB A too long push the higher folding buffer inwards.
PL
GB A too short push the higher folding buffer outwards.
PL
GB B too long push the lower folding buffer inwards.
PL pchnij dolny suwak