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If you need inspiration ...

A section that's 3-d printed might work, or normal stepped drilling - but from the opposite end than usual (the business end of a 51 hood has a narrower opening than the barrel end.)

Since the nib can only be inserted into the section from the barrel end, it would need something like a snap-ring (or a threaded ring, which could serve double duty as a step-down to the diameter of the ink cartridge/converter neck) to hold the nib unit inside the hood/section after it's been put in place and oriented "tipping down". Real fancy could include a replacement housing for the nib and feed that sets the orientation correctly. The housing would not need threads, as it pushes into the section from the rear.

<blockquote data-quote="DuncSuss" data-source="post: 372633" data-attributes="member: 2682">If you need inspiration ... <img src="http://www.penturners.co.uk/images/smilies/18/whistling.gif"&nbsp; class="smilie" loading="lazy" alt=":whistling:" title="Whistling&nbsp; &nbsp; :whistling:" data-shortname=":whistling:" />A section that&#039;s 3-d printed might work, or normal stepped drilling - but from the opposite end than usual (the business end of a 51 hood has a narrower opening than the barrel end.)Since the nib can only be inserted into the section from the barrel end, it would need something like a snap-ring (or a threaded ring, which could serve double duty as a step-down to the diameter of the ink cartridge/converter neck) to hold the nib unit inside the hood/section after it&#039;s been put in place and oriented &quot;tipping down&quot;. Real fancy could include a replacement housing for the nib and feed that sets the orientation correctly. The housing would not need threads, as it pushes into the section from the rear.</blockquote>

[QUOTE="DuncSuss, post: 372633, member: 2682"] If you need inspiration ... :whistling: A section that's 3-d printed might work, or normal stepped drilling - but from the opposite end than usual (the business end of a 51 hood has a narrower opening than the barrel end.) Since the nib can only be inserted into the section from the barrel end, it would need something like a snap-ring (or a threaded ring, which could serve double duty as a step-down to the diameter of the ink cartridge/converter neck) to hold the nib unit inside the hood/section after it's been put in place and oriented "tipping down". Real fancy could include a replacement housing for the nib and feed that sets the orientation correctly. The housing would not need threads, as it pushes into the section from the rear. [/QUOTE]

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