r_a_i_t_h

KEYS:

space -> mode

a   anchor node
<   mass -
>   mass +

9   apply springiness

0   zero forces as-is

EDIT:

x   delete node
X   delete all

n   + node

f   'from' node
s   + single spring
d   + double spring


PRESETS:

-     springs
=     chains
[     mesh 1
]     mesh 2
[     reinforced 1
]     reinforced 2
iop   + circle
j     + jumper
w     + weeble