Summary

I remixed the stl file to have three sections and 90 degree notches with pegs for easier assembly and pegs for stability.

Print Settings

Printer Brand:

MakerBot

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>MakerBot Replicator 2</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.16</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>25%</p></div></p>                                                    <strong>Filament:</strong> Polymaker Polyflex TPU                 white                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Printed all parts separately standing up with rafts and supports for the bones, no rafts or supports on the pegs. Pegs took some sanding to get to fit.</p></div>

Right humerus bone Three Piece with Pegs