RECORD LOCATED / 2026.04.30

Printing Bushing Considerations

A conversation-specific public summary of printing bushing considerations, distilled from the supplied export. The detailed excerpts remain available in the released note file.

CHAT-0273REV EXPORT-03

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Nominal shaft size versus a printed hole. Conceptual fit comparison; compensation requires a real measurement. — Conceptual fit comparison; compensation requires a real measurement.Explanatory drawing based on this record

CLASSIFICATIONSYS

STATUSRECOVERED / SPECIFIC NOTE

MATERIALCHAT EXPORT / BUILD & TOOLS

DISPOSITIONPUBLIC CONVERSATION EXCERPTS / REDACTED

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TECHNICAL NOTES///

Conversation-specific knowledge extracted from the printing bushing considerations discussion.

EXTRACTED KNOWLEDGE / HOW-TOFROM CONVERSATION

QUESTION / CONTEXTDo you see any issues with printing that size of bushing

IMPORTANT GUIDANCE

FDM printers usually make holes print undersized
On a 0.4 nozzle, your .7495" ID (~19.04mm) could easily come out 0.010–0.020" tight
If this needs to slide on a 3/4" shaft, it may need:
ID modeled slightly oversized (+0.005 to +0.015")
OR drill/sand after printing
*With a 0.4 nozzle:
~3 perimeters = ideal
2 perimeters = workable but weaker

Extracted from the conversation’s assistant responses and edited for public clarity. See the released note for additional redacted excerpts.

DEVELOPMENT HISTORY///

2026.04.30EXPORT-04

Matched to the supplied export; key guidance is surfaced separately and the raw transcript remains unpublished.

SPECIFICATION///

SourceSupplied ChatGPT export

CategoryBuild & Tools

Conversation1 user turns / 1 assistant turns

Attachments6 references detected

Public detailExtracted knowledge + excerpts

RELEASED MATERIAL///

CHAT-0273-public-note.txtPUBLIC-SAFE CONVERSATION NOTE / UNIQUE FILE

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WHERE THIS STANDS

RECOVERED / SPECIFIC NOTE

The record keeps what is known at this revision. Unfinished tests stay unfinished here.