1_staple_1_helix_origami_roll.py

import scadnano as sc

def create_design() -> sc.Design:
    length = 9
    helices = [sc.Helix(max_offset=length, roll=90)]
    stap_ss = sc.Domain(0, True, 0, length)
    scaf_ss = sc.Domain(0, False, 0, length)
    stap = sc.Strand([stap_ss])
    scaf = sc.Strand([scaf_ss], color=sc.default_scaffold_color)
    strands = [stap, scaf]
    design = sc.Design(helices=helices, strands=strands, grid=sc.square)
    design.assign_dna(scaf, 'AACT' * (length // 4))

    return design

if __name__ == '__main__':
    d = create_design()
    d.write_scadnano_file(directory='output_designs')