Extended Data Fig. 1: Some forceādisplacement relationships of curved origami modules with different angles α.
From: Active mechanical haptics with high-fidelity perceptions for immersive virtual reality

a-c, normalized forceādisplacement relationship of curved origami modules with different initial folding angles β with angles αā=ā50°, 60°, 70°. d-f, normalized forceādisplacement relationship of curved origami modules with fixed initial folding angles βā=ā120° and different controllable angles ā³Ī², with different angles αā=ā50°, 60°, 70°.