Summary

Simple hammer tool.
You have special internal supports that make model stronger in weak places.
For assembly you will need M3 bolt (~16 mm thread size or longer ) and nut.

Print Settings

Printer Brand:

Prusa

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>i3 MK2S</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>20%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Desired to print with 3 layers on perimeter.</p></div>

Post-Printing

Pin also have special build in supports and can be printed w/o external supports but after printing you have to do hole inside.

Alternative way for assembly: if you don't have M3 bolts you can try to increase pin hole with drill bit and after this connect all with screw (if you go in this way increase perimeter and infill parameters in pin printing).

Simple hammer tool - child toy