Summary

I printed the RobJP_ project but I missed the eyes and created this file that printed at 0.2mm resolution fits perfectly into the doll's head without needing glue.
Keep the first layer with the width at 100% and the extrusion width at .40.
Link to RobJP model

https://www.thingiverse.com/RobJP_

Print Settings

Printer:

Anet A8

                                            <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>100%</p></div></p>                                                    <strong>Filament:</strong> 3dPrime PLA                Black                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Use extrusion width 0.40 and first layer width at 100%.</p></div>

Printable Hollow Knight Mini Fig eyes