Bambu Studio strange preview problem

gRby · December 10, 2025, 12:30am

Hi,

After one of the Bambu Studio upgrade, preview started to be wired. Currently I’m using latest version 2.4.0.70. At the same time in Orca Slicer preview is ok.
Preview looks like is composed from triangles.

I will be very grateful for some help

Crover · December 12, 2025, 4:38pm

I have the same problem… Please help

JonRaymond · December 12, 2025, 9:10pm

There is a current bug report for this issue.

github.com/bambulab/BambuStudio

Slicer preview shows strange jagged wireframe view of model

opened 10:02PM - 05 Dec 25 UTC

frankalanks

bug

### Bambu Studio Version 2.4.0.70 ### Where is the application from? Bambu La…b Official website ### OS version Windows 11 Windows [Version 10.0.26200.7309] ### Additional system information Host Name: HW-PC-BLIU1 OS Name: Microsoft Windows 11 Pro OS Version: 10.0.26200 N/A Build 26200 OS Manufacturer: Microsoft Corporation OS Configuration: Standalone Workstation OS Build Type: Multiprocessor Free Registered Owner: boang.liu@gmail.com Registered Organization: N/A Product ID: 00330-81476-07591-AA551 Original Install Date: 12/12/2024, 4:40:35 PM System Boot Time: 12/2/2025, 9:24:36 AM System Manufacturer: ASUSTeK COMPUTER INC. System Model: ROG Strix G15CE_G15CE System Type: x64-based PC Processor(s): 1 Processor(s) Installed. [01]: Intel64 Family 6 Model 167 Stepping 1 GenuineIntel ~3600 Mhz BIOS Version: American Megatrends Inc. G15CE.312, 4/29/2024 Windows Directory: C:\WINDOWS System Directory: C:\WINDOWS\system32 Boot Device: \Device\HarddiskVolume1 System Locale: en-us;English (United States) Input Locale: en-us;English (United States) Time Zone: (UTC-06:00) Central Time (US & Canada) Total Physical Memory: 16,221 MB Available Physical Memory: 2,473 MB Virtual Memory: Max Size: 39,773 MB Virtual Memory: Available: 7,009 MB Virtual Memory: In Use: 32,764 MB Page File Location(s): C:\pagefile.sys Domain: WORKGROUP Logon Server: \\HW-PC-BLIU1 Hotfix(s): 5 Hotfix(s) Installed. [01]: KB5067931 [02]: KB5054156 [03]: KB5070311 [04]: KB5067035 [05]: KB5071142 Network Card(s): 8 NIC(s) Installed. [01]: TAP-NordVPN Windows Adapter V9 Connection Name: Local Area Connection Status: Media disconnected [02]: OpenVPN Data Channel Offload Connection Name: OpenVPN Data Channel Offload for NordVPN Status: Media disconnected [03]: Intel(R) Wi-Fi 6 AX201 160MHz Connection Name: Wi-Fi DHCP Enabled: Yes DHCP Server: 192.168.4.1 IP address(es) [01]: 192.168.5.183 [04]: Intel(R) Ethernet Controller (3) I225-V Connection Name: Ethernet Status: Media disconnected [05]: Wintun Userspace Tunnel Connection Name: Tailscale DHCP Enabled: No IP address(es) [01]: 100.102.195.104 [02]: fe80::9a6b:737b:ec0c:3f89 [03]: fd7a:115c:a1e0::ad01:c368 [06]: Bluetooth Device (Personal Area Network) Connection Name: Bluetooth Network Connection Status: Media disconnected [07]: WireGuard Tunnel Connection Name: NordLynx DHCP Enabled: No IP address(es) [01]: 10.5.0.2 [02]: fe80::9a6b:737b:ec0c:3f89 [08]: VirtualBox Host-Only Ethernet Adapter Connection Name: Ethernet 2 DHCP Enabled: No IP address(es) [01]: 192.168.56.1 [02]: fe80::30bc:322a:8c2f:c629 Virtualization-based security: Status: Not enabled App Control for Business policy: Enforced App Control for Business user mode policy: Off Security Features Enabled: Hyper-V Requirements: VM Monitor Mode Extensions: Yes Virtualization Enabled In Firmware: Yes Second Level Address Translation: Yes Data Execution Prevention Available: Yes ### Printer Bambu H2D serial 0948AD560502510 ### Printer Firmware Version 01.02.02.00 ### How to reproduce 1. Insert any model into the Prepare tab. You can even right click and add a primitive shape or model there. 2. Slice Plate 3. Go to preview tab and you can see the sliced model ### Actual results <img width="1914" height="996" alt="Image" src="https://github.com/user-attachments/assets/73532529-e11f-43bf-a2b9-265346cd1952" /> <img width="1915" height="996" alt="Image" src="https://github.com/user-attachments/assets/8df62b11-20d6-45e3-bc47-0b41529a7909" /> ### Expected results Expected to have the extrusion lines be filled in. Orcaslicer on the same PC shows it correctly. Reinstalling Bambu Studio does not do anything. ### Project file & Debug log uploads This is the saved 3mf file of the resultant sliced model. [3DBenchy.zip](https://github.com/user-attachments/files/23971406/3DBenchy.zip) This is some log files of Bambu Studio [BambuLabLog.zip](https://github.com/user-attachments/files/23971693/BambuLabLog.zip) ### Checklist of files to include - [x] Log file - [x] Project file

gRby · December 13, 2025, 1:02pm

Thanks for info!
I hope to see the fixed version very soon.

gRby · January 28, 2026, 8:01pm

Problem was fixed with version v02.05.00.64, and return with v02.05.00.66

user_485338311 · February 4, 2026, 3:45pm

This has been frustrating me! I am a new user since December and see countless videos online showing beautifully rendered slicing models as the slider is drawn down. Mine is a pretty much useless wire frame triangle image. I have been searching for a setting I have wrong to no avail. Sorta glad to see it’s not be but a software issue. I’m running the latest version of Studio.

Any information on this would be appreciated.

JVK

gRby · February 4, 2026, 10:20pm

In Preferences disable option “Enable advanced gcode viewer” and restart the Bambu Studio.
This is temporary solution but it works.
Actually I can’t find any info what this “advanced gcode viewer” means…

user_485338311 · February 4, 2026, 10:39pm

Thanks! That made a difference, but still is a bit weird. I can live with that until they get it fixed.

JVK