twist(integer center, float sign)
{
    rotation rot;
    vector pos;
    vector offset;

    llSetLinkPrimitiveParamsFast(axisfinder, [PRIM_POS_LOCAL, ZERO_VECTOR, PRIM_ROT_LOCAL, ZERO_ROTATION]);
    rotation axis = (rotation)llList2String(axes, center);
    llSetLinkPrimitiveParamsFast(axisfinder, [PRIM_ROT_LOCAL, axis]);
    params = llGetLinkPrimitiveParams(axisfinder, [PRIM_POS_LOCAL, PRIM_ROT_LOCAL]);
    vector axispos = (vector)llList2String(params, 0);
    rotation axisrot = (rotation)llList2String(params, 1);
    axispos.z = 0.761;
    axispos *= axisrot;
    llSetLinkPrimitiveParamsFast(axisfinder, [PRIM_POS_LOCAL, axispos]);
    params = llGetLinkPrimitiveParams(axisfinder, [PRIM_POS_LOCAL, PRIM_ROT_LOCAL]);
    axispos = (vector)llList2String(params, 0);
    axisrot = (rotation)llList2String(params, 1);

    integer centerlink = llList2Integer(centerlinks, center);
    params = llGetLinkPrimitiveParams(centerlink, [PRIM_POS_LOCAL, PRIM_ROT_LOCAL]);
    vector centerpos = (vector)llList2String(params, 0);
    rotation centerrot = (rotation)llList2String(params, 1);

    rotation arc = llEuler2Rot(<0.0, 0.0, sign*72.0>*DEG_TO_RAD);

    rotation twisted = axisrot*arc;

    offset = centerpos - axispos;
    pos = axispos + offset*twisted;
    rot = centerrot*twisted;
    llSetLinkPrimitiveParamsFast(centerlink, [PRIM_POS_LOCAL, pos, PRIM_ROT_LOCAL, rot]);

    integer i;
    for(i = 0; i < 10; i++)
    {
        integer piece = llList2Integer(pieces, i);
        params = llGetLinkPrimitiveParams(piece, [PRIM_POS_LOCAL, PRIM_ROT_LOCAL]);
        offset = (vector)llList2String(params, 0) - axispos;
        rotation piecerot = (rotation)llList2String(params, 1);
        pos = axispos + offset*twisted;
        rot = piecerot*twisted;
        llSetLinkPrimitiveParamsFast(piece, [PRIM_POS_LOCAL, pos, PRIM_ROT_LOCAL, rot]);
    }

    bigstring = "newlink: " + (string)newlink + "\ncenterlink: " + (string)centerlink;
    llSetText(bigstring, <1, 1, 1>, 1.0);

}