Resolution: If your layout software will output an excellon drill file, it willĪlso output a tool list. Requirements: Tool list embedded in excellon drill file or sent as a separate Verifications and makes data entry errors far more likely. Using a tool list provided on aįabrication drawing is not preferable, as it eliminates many of the automatic A tool list should be embedded in your excellonĭrill file or sent as a separate text file. Your drill file specifies where to place the holes. If youĬannot generate one, we can in most cases create one from your fabricationĪ tool list is used in combination with your excellon drill file to create yourĭrill. Resolution: Nearly all layout packages will output an excellon drill file. Requirements: Excellon Format, ASCII Odd/ None, 2.4 Trailing Zero Suppression, Plated and non-plated holes need to be included in one drill file, with platedĪnd non-plated holes having different tool numbers. Outputting an aperture list, please send 274X format.Įxcellon drill files are used to determine what size holes to drill and where. Resolution: All layout packages which output 274D also output an aperture list.Ĭommon extensions include. An aperture listĭoes not need to be sent with 274X format files. Please do not modify the aperture list your software outputs. Requirements: One comprehensive aperture list for all layers, English Units. Your Gerber files to create your artwork. If you send 274D format, we use your aperture list in combination with Please note: An aperture list does not need to be sent with 274X formatįiles. Sent with your Gerber files, rather than a separate aperture list for each A single comprehensive aperture list for all layers should be Your Gerber files specify what to do and where. Reviews the top seven most common mistakes made with Gerber files and how you Orders placed on hold, and complete your projects faster. However, by learning from others and avoiding the mostĬommon mistakes, you can speed up the turnaround time, reduce the chance of Reflect what you want manufactured is a challenge no matter how long you haveīeen a pcb designer.

Import gerber files into diptrace