<div id="cookie_notice" class="sw-cookie-notice sw--padding-vert-4 sw--padding-hor-1 sw-dms--box-shadow--big">
<div class="sw-dms--color-white sw-grid-flex sw-grid-flex--wrap-mob sw-grid-flex--wrap--tab">
<div class="sw-cookie-notice__text--mob sw--padding-left-8 sw--font-size-14 sw-grid-flex__cell-5-7 sw-grid-flex__cell-1-1--mob sw-grid-flex__cell-1-1--tab">
<div class="sw-grid-flex__cell-2-7 sw-grid-flex__cell-1-1--mob sw-grid-flex__cell-1-1--tab">
<a class="sw-dms-button noty_close sw--padding-hor-7 sw--position-absolute sw--position-right sw--margin-right-13 sw--hide-mobile sw--hide-tablet" data-sw-set-cookie="euCookie">OK</a>
<a class="sw-cookie-notice__btn--mob sw-cookie-notice__btn--tab sw-dms-button noty_close sw--padding-hor-7 sw--margin-vert-3 sw--hide-desktop" data-sw-set-cookie="euCookie">OK</a>
3D printed in white nylon plastic polished to reveal a smooth matte finish.
I present my multiple refill adapter model. It contains 5 adapters, for use in pens that take the Mont Blanc Ballpoint refill. It allows such pens to use the Mini/Multi D1 refills instead (not included).
The mont Blanc Ballpoint refill is around 98mm long and 6.0mm in diameter. The D1 refill is around 67mm long and 2.3mm in diameter.
I appreciate that the D1 refill is generally a less practical refill, compared to the Mont Blanc Ballpoint, in terms of ink volume. However, since the Mont Blanc Ballpoint is a propriatary refill (although Monteverde do make a compatible pattern refill), the D1 refills come in many more varieties, like the Pilot Hi-Tec-C Slims or Zebra JSB, which are not available in the Mont Blanc Ballpoint refill size, so this adapter exists to hopefully provide flexibility, between your favourite pens and refills.
The adapter needs to be printed in the polished white or coloured plastics, as the smooth polished finish is functionally desirable. The D1 refill is held in place, by the adapter, using friction. The holes around the side of the adapter are present to help with the removal of unbonded plastic powder from the core, when being polished. However, some powder may still need to be removed, with a pin or thin metal rod, before inserting the refill.
The adapters will need to be separated from each other using a sharp craft knife or zero angle side cutters. The sprues will need to be removed and the points where they connect to the adapters; smoothed flat.
Due to the very varied nature of pen design, I cannot guarantee that this adapter will work with any specific pen, although I've made every effort to make it as universal as possible.
I plan to make as many refill types compatible with as many host pens as possible, so If you have any suggestions on refill adapters, please let me know and I can hopefully make it available, depending on the relative sizes involved. I have now created dimensioned drawings of over 80 standard and obscure ballpoint, gel and rollerball refill types, so I like to think that I have a fair idea of what is and isn't possible.