Sketchar is a drawing app that projects sketches onto real surfaces – paper, walls, murals using augmented reality.
Trusted by 13M+ creators and 100K+ mural artists worldwide.
Master drawing with augmented reality and 1000+ detailed courses and persinalized drawing plan
Speed up mural creation process. Sketchar on Meta Quest or Pico to project your sketches onto any surface instantly.
Trusted by art educators worldwide - from Cambridge to classrooms in 20+ countries
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You can sketch on Sketchar mobile app and then bring those skethes to the real world with Sketchar on VR headsetst: paper, canvas, walls, or anywhere.
Available on iOS, Android, Quest 3, Pico
From beginner to PRO
Drop images from mobile to VR in seconds
The built-in digital canvas lets you create and edit paintings and drawings using tools like brushes, layers, automatic stroke smoothing, time-lapsed process recording, and a unique liquid brush and then send them directly to the Sketchar on VR headsets
Access over 1000+ detailed drawing lessons on topics like anime, portraits, celebrities, fan dart, animals, landscapes, and more.
Unique own library of drawing courses
Personalized growth plan
Share your creations with millions on Sketchar, connect with experienced artists, and bring unique ideas to life. Build a public profile, showcase your portfolio, join weekly interactive contests, explore artworks, and more
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Sketchar project any virtual image on a real surface allowing bringing ideal to real life. Learn how to draw with AR.
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Forget projectors and grids. Use Sketchar on Meta Quest or Pico to project your sketches onto any surface instantly. Work in daylight — no setup, no cables, no waiting.
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Meta Quest 3/3s/Pro
Enjoy Sketchar AR drawing on Meta Quest – one of the most powerful VR headsets on the market
Pico 4 Ultra
Sketchar AR Drawing on Pico 4 Ultra brings immersive mural projection to standalone VR. Trusted by 100K+ mural artists worldwide.
Apple Vision Pro
Sketchar for the revolutionary mixed reality headset from Apple is the next step of our experience for AR Drawing
Coming soon
You can find the official release notes and downloading information on the Cisco Software Central portal. Conclusion
Older versions of the 3.x.xE train suffer from known security bugs. This firmware bundles crucial microcode and protocol patches that seal off remote code execution vectors, memory exhaustion vulnerabilities, and control-plane degradation issues. 📊 Feature and Architecture Overview
Verify that your switch is running a supported supervisor engine (Sup7-E, 7L-E, 8-E). cat4500euniversalk9spa031105e1527e5bin hot
The specific included in the 152-7.E5 release?
: Indicates that the file is a digitally signed program application, ensuring authenticity and preventing tampering. You can find the official release notes and
cat4500euniversalk9spa031105e1527e5.bin is not a “hot” or trivial string. It is a precise, non-negotiable contract between hardware and software. It tells you the platform is a Catalyst 4500-E, the feature set is universal with encryption, the driver model is SPA-based, and the build dates to a specific November release with revision 1527.
You cannot load this image on a non-E chassis (e.g., original 4503/4506). Doing so would result in a boot failure. The platform string ensures binary-level hardware validation. 📊 Feature and Architecture Overview Verify that your
Always run a MD5 or SHA512 hash calculation to confirm that the file was not corrupted or modified during network transport.
Verify that the output displays Cisco IOS XE Software, Version 03.11.05.E along with the matching compiled base image string to ensure a complete, successful upgrade. If you are currently executing this upgrade, let me know:
The Catalyst 4500E series is designed around high-performance modular chassis. This software image is compatible with various Supervisor Engines, including: Release Notes for Cisco IOS Release 15.2(7)E5 - Cisco
– One report indicates that in some VSS clusters, the standby switch may experience unexpected reboots even after upgrading to this image. The user noted, "I already update software version to cat4500e-universalk9.SPA.03.11.05.E.152-7.E5.bin (the newest version from Cisco), but the Standby switch still reboot by itself!" This suggests that while the image is stable, specific VSS configurations might require additional troubleshooting. The root cause appears to be specific to the VSL (Virtual Switch Link) configuration or hardware-specific issues with the supervisor engine.
You can find the official release notes and downloading information on the Cisco Software Central portal. Conclusion
Older versions of the 3.x.xE train suffer from known security bugs. This firmware bundles crucial microcode and protocol patches that seal off remote code execution vectors, memory exhaustion vulnerabilities, and control-plane degradation issues. 📊 Feature and Architecture Overview
Verify that your switch is running a supported supervisor engine (Sup7-E, 7L-E, 8-E).
The specific included in the 152-7.E5 release?
: Indicates that the file is a digitally signed program application, ensuring authenticity and preventing tampering.
cat4500euniversalk9spa031105e1527e5.bin is not a “hot” or trivial string. It is a precise, non-negotiable contract between hardware and software. It tells you the platform is a Catalyst 4500-E, the feature set is universal with encryption, the driver model is SPA-based, and the build dates to a specific November release with revision 1527.
You cannot load this image on a non-E chassis (e.g., original 4503/4506). Doing so would result in a boot failure. The platform string ensures binary-level hardware validation.
Always run a MD5 or SHA512 hash calculation to confirm that the file was not corrupted or modified during network transport.
Verify that the output displays Cisco IOS XE Software, Version 03.11.05.E along with the matching compiled base image string to ensure a complete, successful upgrade. If you are currently executing this upgrade, let me know:
The Catalyst 4500E series is designed around high-performance modular chassis. This software image is compatible with various Supervisor Engines, including: Release Notes for Cisco IOS Release 15.2(7)E5 - Cisco
– One report indicates that in some VSS clusters, the standby switch may experience unexpected reboots even after upgrading to this image. The user noted, "I already update software version to cat4500e-universalk9.SPA.03.11.05.E.152-7.E5.bin (the newest version from Cisco), but the Standby switch still reboot by itself!" This suggests that while the image is stable, specific VSS configurations might require additional troubleshooting. The root cause appears to be specific to the VSL (Virtual Switch Link) configuration or hardware-specific issues with the supervisor engine.
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Find Sketchar on the AppStore and Google play
Or, use your phone's camera to scan and download Sketchar app.
Sketchar™ is a mobile app that uses AR to empower mural artists and drawing fans to create art and master their craft with confidence. Join 14M+ community now!