# PreForm Time - Dashboard Time and Wall Time

**URL:** https://forum.formlabs.com/t/preform-time-dashboard-time-and-wall-time/20441
**Category:** Form 2
**Created:** [September 16, 2018, 6:49pm UTC](https://forum.formlabs.com/t/preform-time-dashboard-time-and-wall-time/20441 "2018-09-16T18:49:34Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![JohnHue](https://avatars.discourse-cdn.com/v4/letter/j/48db29/32.png) [@JohnHue](https://forum.formlabs.com/u/JohnHue)
#### Post date: [September 18, 2018, 9:35am UTC](https://forum.formlabs.com/t/preform-time-dashboard-time-and-wall-time/20441/5 "2018-09-18T09:35:53Z")

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Thanks for these informations 😉 Glad to know you guys are aware of the issue since up to now we never got any answer for this.

Have you had a look at these posts ?

> [@Print Time Accuracy](http://forum.formlabs.com/t/print-time-accuracy/11111/19):
>
> Hi, I noticed those estimated time errors. These are my last prints: Firmware Layers Resolution Volume Prevision Effective Diff Perc. error 1.17.7 579 50µm 1.9mL 01:52 02:58 01:38 58,93% 1.17.7 1211 50µm 86.6mL 04:56 06:34 01:38 33,11% 1.17.7 1425 50µm 102.6mL 06:35 08:32 01:57 29,62% 1.17.7 1333 …

and

> [@Update On-Machine Job with Actual Print Time](http://forum.formlabs.com/t/update-on-machine-job-with-actual-print-time/19350/5):
>
> We do prototype printing for clients and the printing time is a major factor of our quote calculations. We have also found serious discrepancies between calculated and actual print times. Here are some of our recent results We have also sent this data to the agents in South Africa. Hopefully Formlabs can get to the bottom of this and issue a fix to the software.

> [@DKirch](#):
>
> It’s important to keep in mind though, that these are all just estimates

On average, 40 to 50% increase over estimated print time is a bit high for calling these “estimates” though, and it’s also wildly variable (from 5 to 100+% increase). At least a window of ±20% or something would allow us to better plan our prints, a _reliable yet large_ estimate is better than an unprecise one.  
If the cartridge and resin are already in the printer, it should be possible to give us a relatively precise estimate in Preform even if that estimate is valid only at the time of calculation (since the printer can be used or the cartridge changed before actually launching the print).

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